Home / 5,269.11-7,902.90-1,571.19

Finding the Fourth Proportional to 5,269.11, 7,902.90 and 1,571.19

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Solution

The fourth proportional to 5,269.11, 7,902.90 and 1,571.19 is: 2,356.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,269.11 : 7,902.90 = 1,571.19 : x
  2. Step 2: Convert to fraction form
    5,269.11/7,902.90 = 1,571.19/x
  3. Step 3: Cross multiply
    5,269.11x = 7,902.90 × 1,571.19
  4. Step 4: Simplify right side
    5,269.11x = 12,416,957.45
  5. Step 5: Solve for x
    x = 12,416,957.45/5,269.11
  6. Step 6: Final answer
    x = 2,356.56

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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.