Home / 5,170.58-7,135.47-2,932.40

Finding the Fourth Proportional to 5,170.58, 7,135.47 and 2,932.40

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Solution

The fourth proportional to 5,170.58, 7,135.47 and 2,932.40 is: 4,046.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,170.58 : 7,135.47 = 2,932.40 : x
  2. Step 2: Convert to fraction form
    5,170.58/7,135.47 = 2,932.40/x
  3. Step 3: Cross multiply
    5,170.58x = 7,135.47 × 2,932.40
  4. Step 4: Simplify right side
    5,170.58x = 20,924,052.23
  5. Step 5: Solve for x
    x = 20,924,052.23/5,170.58
  6. Step 6: Final answer
    x = 4,046.75

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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.