Home / 4,115.32-5,679.17-2,347.02

Finding the Fourth Proportional to 4,115.32, 5,679.17 and 2,347.02

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Solution

The fourth proportional to 4,115.32, 5,679.17 and 2,347.02 is: 3,238.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115.32 : 5,679.17 = 2,347.02 : x
  2. Step 2: Convert to fraction form
    4,115.32/5,679.17 = 2,347.02/x
  3. Step 3: Cross multiply
    4,115.32x = 5,679.17 × 2,347.02
  4. Step 4: Simplify right side
    4,115.32x = 13,329,125.57
  5. Step 5: Solve for x
    x = 13,329,125.57/4,115.32
  6. Step 6: Final answer
    x = 3,238.90

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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.