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Finding the Fourth Proportional to 3,141.99, 4,335.87 and 1,744.74

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Solution

The fourth proportional to 3,141.99, 4,335.87 and 1,744.74 is: 2,407.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141.99 : 4,335.87 = 1,744.74 : x
  2. Step 2: Convert to fraction form
    3,141.99/4,335.87 = 1,744.74/x
  3. Step 3: Cross multiply
    3,141.99x = 4,335.87 × 1,744.74
  4. Step 4: Simplify right side
    3,141.99x = 7,564,965.82
  5. Step 5: Solve for x
    x = 7,564,965.82/3,141.99
  6. Step 6: Final answer
    x = 2,407.70

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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.