Home / 5,170.59-7,135.80-2,932.86

Finding the Fourth Proportional to 5,170.59, 7,135.80 and 2,932.86

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Solution

The fourth proportional to 5,170.59, 7,135.80 and 2,932.86 is: 4,047.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,170.59 : 7,135.80 = 2,932.86 : x
  2. Step 2: Convert to fraction form
    5,170.59/7,135.80 = 2,932.86/x
  3. Step 3: Cross multiply
    5,170.59x = 7,135.80 × 2,932.86
  4. Step 4: Simplify right side
    5,170.59x = 20,928,302.39
  5. Step 5: Solve for x
    x = 20,928,302.39/5,170.59
  6. Step 6: Final answer
    x = 4,047.57

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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.