Home / 5,715.14-7,886.72-3,197.27

Finding the Fourth Proportional to 5,715.14, 7,886.72 and 3,197.27

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Solution

The fourth proportional to 5,715.14, 7,886.72 and 3,197.27 is: 4,412.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,715.14 : 7,886.72 = 3,197.27 : x
  2. Step 2: Convert to fraction form
    5,715.14/7,886.72 = 3,197.27/x
  3. Step 3: Cross multiply
    5,715.14x = 7,886.72 × 3,197.27
  4. Step 4: Simplify right side
    5,715.14x = 25,216,000.96
  5. Step 5: Solve for x
    x = 25,216,000.96/5,715.14
  6. Step 6: Final answer
    x = 4,412.14

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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.