Home / 5,436.68-7,493.88-3,665.22

Finding the Fourth Proportional to 5,436.68, 7,493.88 and 3,665.22

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Solution

The fourth proportional to 5,436.68, 7,493.88 and 3,665.22 is: 5,052.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,436.68 : 7,493.88 = 3,665.22 : x
  2. Step 2: Convert to fraction form
    5,436.68/7,493.88 = 3,665.22/x
  3. Step 3: Cross multiply
    5,436.68x = 7,493.88 × 3,665.22
  4. Step 4: Simplify right side
    5,436.68x = 27,466,718.85
  5. Step 5: Solve for x
    x = 27,466,718.85/5,436.68
  6. Step 6: Final answer
    x = 5,052.11

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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.