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Finding the Fourth Proportional to 5,700.15, 7,868.70 and 3,462.75

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Solution

The fourth proportional to 5,700.15, 7,868.70 and 3,462.75 is: 4,780.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,700.15 : 7,868.70 = 3,462.75 : x
  2. Step 2: Convert to fraction form
    5,700.15/7,868.70 = 3,462.75/x
  3. Step 3: Cross multiply
    5,700.15x = 7,868.70 × 3,462.75
  4. Step 4: Simplify right side
    5,700.15x = 27,247,340.93
  5. Step 5: Solve for x
    x = 27,247,340.93/5,700.15
  6. Step 6: Final answer
    x = 4,780.11

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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.