Home / 5,096.20-7,642.98-1,397.56

Finding the Fourth Proportional to 5,096.20, 7,642.98 and 1,397.56

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Solution

The fourth proportional to 5,096.20, 7,642.98 and 1,397.56 is: 2,095.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,096.20 : 7,642.98 = 1,397.56 : x
  2. Step 2: Convert to fraction form
    5,096.20/7,642.98 = 1,397.56/x
  3. Step 3: Cross multiply
    5,096.20x = 7,642.98 × 1,397.56
  4. Step 4: Simplify right side
    5,096.20x = 10,681,523.13
  5. Step 5: Solve for x
    x = 10,681,523.13/5,096.20
  6. Step 6: Final answer
    x = 2,095.98

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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.