Home / 7,134.74-10,700.05-2,751.18

Finding the Fourth Proportional to 7,134.74, 10,700.05 and 2,751.18

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Solution

The fourth proportional to 7,134.74, 10,700.05 and 2,751.18 is: 4,125.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,134.74 : 10,700.05 = 2,751.18 : x
  2. Step 2: Convert to fraction form
    7,134.74/10,700.05 = 2,751.18/x
  3. Step 3: Cross multiply
    7,134.74x = 10,700.05 × 2,751.18
  4. Step 4: Simplify right side
    7,134.74x = 29,437,721.71
  5. Step 5: Solve for x
    x = 29,437,721.71/7,134.74
  6. Step 6: Final answer
    x = 4,125.97

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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.