Home / 3,748.56-5,174.67-2,422.91

Finding the Fourth Proportional to 3,748.56, 5,174.67 and 2,422.91

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Solution

The fourth proportional to 3,748.56, 5,174.67 and 2,422.91 is: 3,344.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.56 : 5,174.67 = 2,422.91 : x
  2. Step 2: Convert to fraction form
    3,748.56/5,174.67 = 2,422.91/x
  3. Step 3: Cross multiply
    3,748.56x = 5,174.67 × 2,422.91
  4. Step 4: Simplify right side
    3,748.56x = 12,537,781.71
  5. Step 5: Solve for x
    x = 12,537,781.71/3,748.56
  6. Step 6: Final answer
    x = 3,344.70

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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.