Home / 4,167.61-5,751.12-2,279.10

Finding the Fourth Proportional to 4,167.61, 5,751.12 and 2,279.10

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Solution

The fourth proportional to 4,167.61, 5,751.12 and 2,279.10 is: 3,145.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,167.61 : 5,751.12 = 2,279.10 : x
  2. Step 2: Convert to fraction form
    4,167.61/5,751.12 = 2,279.10/x
  3. Step 3: Cross multiply
    4,167.61x = 5,751.12 × 2,279.10
  4. Step 4: Simplify right side
    4,167.61x = 13,107,377.59
  5. Step 5: Solve for x
    x = 13,107,377.59/4,167.61
  6. Step 6: Final answer
    x = 3,145.06

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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.