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Finding the Fourth Proportional to 5,371.48, 8,057.70 and 1,673.74

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Solution

The fourth proportional to 5,371.48, 8,057.70 and 1,673.74 is: 2,510.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,371.48 : 8,057.70 = 1,673.74 : x
  2. Step 2: Convert to fraction form
    5,371.48/8,057.70 = 1,673.74/x
  3. Step 3: Cross multiply
    5,371.48x = 8,057.70 × 1,673.74
  4. Step 4: Simplify right side
    5,371.48x = 13,486,494.80
  5. Step 5: Solve for x
    x = 13,486,494.80/5,371.48
  6. Step 6: Final answer
    x = 2,510.76

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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.