Home / 4,126.74-5,689.14-3,494.76

Finding the Fourth Proportional to 4,126.74, 5,689.14 and 3,494.76

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Solution

The fourth proportional to 4,126.74, 5,689.14 and 3,494.76 is: 4,817.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,126.74 : 5,689.14 = 3,494.76 : x
  2. Step 2: Convert to fraction form
    4,126.74/5,689.14 = 3,494.76/x
  3. Step 3: Cross multiply
    4,126.74x = 5,689.14 × 3,494.76
  4. Step 4: Simplify right side
    4,126.74x = 19,882,178.91
  5. Step 5: Solve for x
    x = 19,882,178.91/4,126.74
  6. Step 6: Final answer
    x = 4,817.89

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Half scale
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Double scale
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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.