Home / 5,106.17-7,655.11-1,817.47

Finding the Fourth Proportional to 5,106.17, 7,655.11 and 1,817.47

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Solution

The fourth proportional to 5,106.17, 7,655.11 and 1,817.47 is: 2,724.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,106.17 : 7,655.11 = 1,817.47 : x
  2. Step 2: Convert to fraction form
    5,106.17/7,655.11 = 1,817.47/x
  3. Step 3: Cross multiply
    5,106.17x = 7,655.11 × 1,817.47
  4. Step 4: Simplify right side
    5,106.17x = 13,912,937.80
  5. Step 5: Solve for x
    x = 13,912,937.80/5,106.17
  6. Step 6: Final answer
    x = 2,724.73

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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.