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Finding the Fourth Proportional to 5,160.18, 7,737.99 and 2,199.99

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Solution

The fourth proportional to 5,160.18, 7,737.99 and 2,199.99 is: 3,299.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,160.18 : 7,737.99 = 2,199.99 : x
  2. Step 2: Convert to fraction form
    5,160.18/7,737.99 = 2,199.99/x
  3. Step 3: Cross multiply
    5,160.18x = 7,737.99 × 2,199.99
  4. Step 4: Simplify right side
    5,160.18x = 17,023,471.57
  5. Step 5: Solve for x
    x = 17,023,471.57/5,160.18
  6. Step 6: Final answer
    x = 3,299.01

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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.