Home / 5,099.62-7,036.90-2,861.04

Finding the Fourth Proportional to 5,099.62, 7,036.90 and 2,861.04

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Solution

The fourth proportional to 5,099.62, 7,036.90 and 2,861.04 is: 3,947.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,099.62 : 7,036.90 = 2,861.04 : x
  2. Step 2: Convert to fraction form
    5,099.62/7,036.90 = 2,861.04/x
  3. Step 3: Cross multiply
    5,099.62x = 7,036.90 × 2,861.04
  4. Step 4: Simplify right side
    5,099.62x = 20,132,852.38
  5. Step 5: Solve for x
    x = 20,132,852.38/5,099.62
  6. Step 6: Final answer
    x = 3,947.91

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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.