Home / 5,715.72-7,888.25-3,592.85

Finding the Fourth Proportional to 5,715.72, 7,888.25 and 3,592.85

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Solution

The fourth proportional to 5,715.72, 7,888.25 and 3,592.85 is: 4,958.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,715.72 : 7,888.25 = 3,592.85 : x
  2. Step 2: Convert to fraction form
    5,715.72/7,888.25 = 3,592.85/x
  3. Step 3: Cross multiply
    5,715.72x = 7,888.25 × 3,592.85
  4. Step 4: Simplify right side
    5,715.72x = 28,341,259.57
  5. Step 5: Solve for x
    x = 28,341,259.57/5,715.72
  6. Step 6: Final answer
    x = 4,958.48

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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.