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Finding the Fourth Proportional to 5,773.80, 7,970.50 and 3,383.45

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Solution

The fourth proportional to 5,773.80, 7,970.50 and 3,383.45 is: 4,670.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,773.80 : 7,970.50 = 3,383.45 : x
  2. Step 2: Convert to fraction form
    5,773.80/7,970.50 = 3,383.45/x
  3. Step 3: Cross multiply
    5,773.80x = 7,970.50 × 3,383.45
  4. Step 4: Simplify right side
    5,773.80x = 26,967,788.23
  5. Step 5: Solve for x
    x = 26,967,788.23/5,773.80
  6. Step 6: Final answer
    x = 4,670.72

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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.