Home / 7,134.12-10,700.99-2,752.53

Finding the Fourth Proportional to 7,134.12, 10,700.99 and 2,752.53

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Solution

The fourth proportional to 7,134.12, 10,700.99 and 2,752.53 is: 4,128.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,134.12 : 10,700.99 = 2,752.53 : x
  2. Step 2: Convert to fraction form
    7,134.12/10,700.99 = 2,752.53/x
  3. Step 3: Cross multiply
    7,134.12x = 10,700.99 × 2,752.53
  4. Step 4: Simplify right side
    7,134.12x = 29,454,782.24
  5. Step 5: Solve for x
    x = 29,454,782.24/7,134.12
  6. Step 6: Final answer
    x = 4,128.72

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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.