Home / 3,498.96-4,828.70-1,927.12

Finding the Fourth Proportional to 3,498.96, 4,828.70 and 1,927.12

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Solution

The fourth proportional to 3,498.96, 4,828.70 and 1,927.12 is: 2,659.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,498.96 : 4,828.70 = 1,927.12 : x
  2. Step 2: Convert to fraction form
    3,498.96/4,828.70 = 1,927.12/x
  3. Step 3: Cross multiply
    3,498.96x = 4,828.70 × 1,927.12
  4. Step 4: Simplify right side
    3,498.96x = 9,305,484.34
  5. Step 5: Solve for x
    x = 9,305,484.34/3,498.96
  6. Step 6: Final answer
    x = 2,659.50

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Half scale
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Double scale
Find fourth proportional to 3,499.96, 4,830.08 and 1,928.12
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.