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Finding the Fourth Proportional to 3,167.16, 4,370.70 and 1,841.70

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Solution

The fourth proportional to 3,167.16, 4,370.70 and 1,841.70 is: 2,541.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.16 : 4,370.70 = 1,841.70 : x
  2. Step 2: Convert to fraction form
    3,167.16/4,370.70 = 1,841.70/x
  3. Step 3: Cross multiply
    3,167.16x = 4,370.70 × 1,841.70
  4. Step 4: Simplify right side
    3,167.16x = 8,049,518.19
  5. Step 5: Solve for x
    x = 8,049,518.19/3,167.16
  6. Step 6: Final answer
    x = 2,541.56

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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.