Home / 5,134.38-7,701.56-1,671.63

Finding the Fourth Proportional to 5,134.38, 7,701.56 and 1,671.63

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Solution

The fourth proportional to 5,134.38, 7,701.56 and 1,671.63 is: 2,507.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134.38 : 7,701.56 = 1,671.63 : x
  2. Step 2: Convert to fraction form
    5,134.38/7,701.56 = 1,671.63/x
  3. Step 3: Cross multiply
    5,134.38x = 7,701.56 × 1,671.63
  4. Step 4: Simplify right side
    5,134.38x = 12,874,158.74
  5. Step 5: Solve for x
    x = 12,874,158.74/5,134.38
  6. Step 6: Final answer
    x = 2,507.44

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.