Home / 5,306.16-7,947.88-2,799.43

Finding the Fourth Proportional to 5,306.16, 7,947.88 and 2,799.43

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Solution

The fourth proportional to 5,306.16, 7,947.88 and 2,799.43 is: 4,193.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,306.16 : 7,947.88 = 2,799.43 : x
  2. Step 2: Convert to fraction form
    5,306.16/7,947.88 = 2,799.43/x
  3. Step 3: Cross multiply
    5,306.16x = 7,947.88 × 2,799.43
  4. Step 4: Simplify right side
    5,306.16x = 22,249,519.71
  5. Step 5: Solve for x
    x = 22,249,519.71/5,306.16
  6. Step 6: Final answer
    x = 4,193.15

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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.