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Finding the Fourth Proportional to 3,167.10, 4,750.65 and 2,951.10

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Solution

The fourth proportional to 3,167.10, 4,750.65 and 2,951.10 is: 4,426.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.10 : 4,750.65 = 2,951.10 : x
  2. Step 2: Convert to fraction form
    3,167.10/4,750.65 = 2,951.10/x
  3. Step 3: Cross multiply
    3,167.10x = 4,750.65 × 2,951.10
  4. Step 4: Simplify right side
    3,167.10x = 14,019,643.22
  5. Step 5: Solve for x
    x = 14,019,643.22/3,167.10
  6. Step 6: Final answer
    x = 4,426.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.