Home / 5,732.40-8,591.04-4,431.36

Finding the Fourth Proportional to 5,732.40, 8,591.04 and 4,431.36

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Solution

The fourth proportional to 5,732.40, 8,591.04 and 4,431.36 is: 6,641.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,732.40 : 8,591.04 = 4,431.36 : x
  2. Step 2: Convert to fraction form
    5,732.40/8,591.04 = 4,431.36/x
  3. Step 3: Cross multiply
    5,732.40x = 8,591.04 × 4,431.36
  4. Step 4: Simplify right side
    5,732.40x = 38,069,991.01
  5. Step 5: Solve for x
    x = 38,069,991.01/5,732.40
  6. Step 6: Final answer
    x = 6,641.20

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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.