Home / 5,337.32-7,366.02-3,990.59

Finding the Fourth Proportional to 5,337.32, 7,366.02 and 3,990.59

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Solution

The fourth proportional to 5,337.32, 7,366.02 and 3,990.59 is: 5,507.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,337.32 : 7,366.02 = 3,990.59 : x
  2. Step 2: Convert to fraction form
    5,337.32/7,366.02 = 3,990.59/x
  3. Step 3: Cross multiply
    5,337.32x = 7,366.02 × 3,990.59
  4. Step 4: Simplify right side
    5,337.32x = 29,394,728.92
  5. Step 5: Solve for x
    x = 29,394,728.92/5,337.32
  6. Step 6: Final answer
    x = 5,507.40

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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.