Home / 6,625.38-9,143.03-3,641.22

Finding the Fourth Proportional to 6,625.38, 9,143.03 and 3,641.22

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Solution

The fourth proportional to 6,625.38, 9,143.03 and 3,641.22 is: 5,024.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,625.38 : 9,143.03 = 3,641.22 : x
  2. Step 2: Convert to fraction form
    6,625.38/9,143.03 = 3,641.22/x
  3. Step 3: Cross multiply
    6,625.38x = 9,143.03 × 3,641.22
  4. Step 4: Simplify right side
    6,625.38x = 33,291,783.70
  5. Step 5: Solve for x
    x = 33,291,783.70/6,625.38
  6. Step 6: Final answer
    x = 5,024.89

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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.