Home / 5,569.20-7,685.62-3,331.28

Finding the Fourth Proportional to 5,569.20, 7,685.62 and 3,331.28

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Solution

The fourth proportional to 5,569.20, 7,685.62 and 3,331.28 is: 4,597.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,569.20 : 7,685.62 = 3,331.28 : x
  2. Step 2: Convert to fraction form
    5,569.20/7,685.62 = 3,331.28/x
  3. Step 3: Cross multiply
    5,569.20x = 7,685.62 × 3,331.28
  4. Step 4: Simplify right side
    5,569.20x = 25,602,963.08
  5. Step 5: Solve for x
    x = 25,602,963.08/5,569.20
  6. Step 6: Final answer
    x = 4,597.24

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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.