Home / 7,149.74-10,726.78-3,452.08

Finding the Fourth Proportional to 7,149.74, 10,726.78 and 3,452.08

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Solution

The fourth proportional to 7,149.74, 10,726.78 and 3,452.08 is: 5,179.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,149.74 : 10,726.78 = 3,452.08 : x
  2. Step 2: Convert to fraction form
    7,149.74/10,726.78 = 3,452.08/x
  3. Step 3: Cross multiply
    7,149.74x = 10,726.78 × 3,452.08
  4. Step 4: Simplify right side
    7,149.74x = 37,029,702.70
  5. Step 5: Solve for x
    x = 37,029,702.70/7,149.74
  6. Step 6: Final answer
    x = 5,179.17

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1.5x scale

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.