Home / 3,500.49-5,251.26-1,191.45

Finding the Fourth Proportional to 3,500.49, 5,251.26 and 1,191.45

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Solution

The fourth proportional to 3,500.49, 5,251.26 and 1,191.45 is: 1,787.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,500.49 : 5,251.26 = 1,191.45 : x
  2. Step 2: Convert to fraction form
    3,500.49/5,251.26 = 1,191.45/x
  3. Step 3: Cross multiply
    3,500.49x = 5,251.26 × 1,191.45
  4. Step 4: Simplify right side
    3,500.49x = 6,256,587.47
  5. Step 5: Solve for x
    x = 6,256,587.47/3,500.49
  6. Step 6: Final answer
    x = 1,787.35

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Double scale
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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.