Home / 5,569.10-7,685.03-3,179.35

Finding the Fourth Proportional to 5,569.10, 7,685.03 and 3,179.35

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Solution

The fourth proportional to 5,569.10, 7,685.03 and 3,179.35 is: 4,387.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,569.10 : 7,685.03 = 3,179.35 : x
  2. Step 2: Convert to fraction form
    5,569.10/7,685.03 = 3,179.35/x
  3. Step 3: Cross multiply
    5,569.10x = 7,685.03 × 3,179.35
  4. Step 4: Simplify right side
    5,569.10x = 24,433,399.80
  5. Step 5: Solve for x
    x = 24,433,399.80/5,569.10
  6. Step 6: Final answer
    x = 4,387.31

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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.