Home / 5,972.28-8,242.41-3,615.72

Finding the Fourth Proportional to 5,972.28, 8,242.41 and 3,615.72

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Solution

The fourth proportional to 5,972.28, 8,242.41 and 3,615.72 is: 4,990.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,972.28 : 8,242.41 = 3,615.72 : x
  2. Step 2: Convert to fraction form
    5,972.28/8,242.41 = 3,615.72/x
  3. Step 3: Cross multiply
    5,972.28x = 8,242.41 × 3,615.72
  4. Step 4: Simplify right side
    5,972.28x = 29,802,246.69
  5. Step 5: Solve for x
    x = 29,802,246.69/5,972.28
  6. Step 6: Final answer
    x = 4,990.10

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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.