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Finding the Fourth Proportional to 3,773.07, 5,659.11 and 999.75

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Solution

The fourth proportional to 3,773.07, 5,659.11 and 999.75 is: 1,499.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,773.07 : 5,659.11 = 999.75 : x
  2. Step 2: Convert to fraction form
    3,773.07/5,659.11 = 999.75/x
  3. Step 3: Cross multiply
    3,773.07x = 5,659.11 × 999.75
  4. Step 4: Simplify right side
    3,773.07x = 5,657,695.22
  5. Step 5: Solve for x
    x = 5,657,695.22/3,773.07
  6. Step 6: Final answer
    x = 1,499.49

Related Problems

Find fourth proportional to 1,886.54, 2,829.56 and 499.88
Half scale
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Double scale
Find fourth proportional to 3,774.07, 5,660.61 and 1,000.75
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.