Home / 3,545.39-4,892.43-2,053.21

Finding the Fourth Proportional to 3,545.39, 4,892.43 and 2,053.21

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Solution

The fourth proportional to 3,545.39, 4,892.43 and 2,053.21 is: 2,833.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545.39 : 4,892.43 = 2,053.21 : x
  2. Step 2: Convert to fraction form
    3,545.39/4,892.43 = 2,053.21/x
  3. Step 3: Cross multiply
    3,545.39x = 4,892.43 × 2,053.21
  4. Step 4: Simplify right side
    3,545.39x = 10,045,173.97
  5. Step 5: Solve for x
    x = 10,045,173.97/3,545.39
  6. Step 6: Final answer
    x = 2,833.30

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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.