Home / 5,711.83-7,882.51-3,159.62

Finding the Fourth Proportional to 5,711.83, 7,882.51 and 3,159.62

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Solution

The fourth proportional to 5,711.83, 7,882.51 and 3,159.62 is: 4,360.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,711.83 : 7,882.51 = 3,159.62 : x
  2. Step 2: Convert to fraction form
    5,711.83/7,882.51 = 3,159.62/x
  3. Step 3: Cross multiply
    5,711.83x = 7,882.51 × 3,159.62
  4. Step 4: Simplify right side
    5,711.83x = 24,905,748.05
  5. Step 5: Solve for x
    x = 24,905,748.05/5,711.83
  6. Step 6: Final answer
    x = 4,360.38

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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.