Home / 3,530.70-5,296.05-1,781.10

Finding the Fourth Proportional to 3,530.70, 5,296.05 and 1,781.10

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Solution

The fourth proportional to 3,530.70, 5,296.05 and 1,781.10 is: 2,671.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.70 : 5,296.05 = 1,781.10 : x
  2. Step 2: Convert to fraction form
    3,530.70/5,296.05 = 1,781.10/x
  3. Step 3: Cross multiply
    3,530.70x = 5,296.05 × 1,781.10
  4. Step 4: Simplify right side
    3,530.70x = 9,432,794.66
  5. Step 5: Solve for x
    x = 9,432,794.66/3,530.70
  6. Step 6: Final answer
    x = 2,671.65

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Similar ratio
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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.