Home / 3,532.60-4,875.42-1,961.20

Finding the Fourth Proportional to 3,532.60, 4,875.42 and 1,961.20

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Solution

The fourth proportional to 3,532.60, 4,875.42 and 1,961.20 is: 2,706.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,532.60 : 4,875.42 = 1,961.20 : x
  2. Step 2: Convert to fraction form
    3,532.60/4,875.42 = 1,961.20/x
  3. Step 3: Cross multiply
    3,532.60x = 4,875.42 × 1,961.20
  4. Step 4: Simplify right side
    3,532.60x = 9,561,673.70
  5. Step 5: Solve for x
    x = 9,561,673.70/3,532.60
  6. Step 6: Final answer
    x = 2,706.70

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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.