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Finding the Fourth Proportional to 3,167.98, 4,371.86 and 1,751.74

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Solution

The fourth proportional to 3,167.98, 4,371.86 and 1,751.74 is: 2,417.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.98 : 4,371.86 = 1,751.74 : x
  2. Step 2: Convert to fraction form
    3,167.98/4,371.86 = 1,751.74/x
  3. Step 3: Cross multiply
    3,167.98x = 4,371.86 × 1,751.74
  4. Step 4: Simplify right side
    3,167.98x = 7,658,362.04
  5. Step 5: Solve for x
    x = 7,658,362.04/3,167.98
  6. Step 6: Final answer
    x = 2,417.43

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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.