Home / 3,653.19-5,045.49-2,472.21

Finding the Fourth Proportional to 3,653.19, 5,045.49 and 2,472.21

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Solution

The fourth proportional to 3,653.19, 5,045.49 and 2,472.21 is: 3,414.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,653.19 : 5,045.49 = 2,472.21 : x
  2. Step 2: Convert to fraction form
    3,653.19/5,045.49 = 2,472.21/x
  3. Step 3: Cross multiply
    3,653.19x = 5,045.49 × 2,472.21
  4. Step 4: Simplify right side
    3,653.19x = 12,473,498.47
  5. Step 5: Solve for x
    x = 12,473,498.47/3,653.19
  6. Step 6: Final answer
    x = 3,414.41

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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.