Home / 4,147.61-5,724.11-3,097.85

Finding the Fourth Proportional to 4,147.61, 5,724.11 and 3,097.85

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Solution

The fourth proportional to 4,147.61, 5,724.11 and 3,097.85 is: 4,275.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.61 : 5,724.11 = 3,097.85 : x
  2. Step 2: Convert to fraction form
    4,147.61/5,724.11 = 3,097.85/x
  3. Step 3: Cross multiply
    4,147.61x = 5,724.11 × 3,097.85
  4. Step 4: Simplify right side
    4,147.61x = 17,732,418.67
  5. Step 5: Solve for x
    x = 17,732,418.67/4,147.61
  6. Step 6: Final answer
    x = 4,275.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.