Home / 4,961.28-7,439.40-1,841.16

Finding the Fourth Proportional to 4,961.28, 7,439.40 and 1,841.16

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Solution

The fourth proportional to 4,961.28, 7,439.40 and 1,841.16 is: 2,760.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,961.28 : 7,439.40 = 1,841.16 : x
  2. Step 2: Convert to fraction form
    4,961.28/7,439.40 = 1,841.16/x
  3. Step 3: Cross multiply
    4,961.28x = 7,439.40 × 1,841.16
  4. Step 4: Simplify right side
    4,961.28x = 13,697,125.70
  5. Step 5: Solve for x
    x = 13,697,125.70/4,961.28
  6. Step 6: Final answer
    x = 2,760.80

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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.