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Finding the Fourth Proportional to 3,448.71, 5,174.01 and 1,368.99

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Solution

The fourth proportional to 3,448.71, 5,174.01 and 1,368.99 is: 2,053.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448.71 : 5,174.01 = 1,368.99 : x
  2. Step 2: Convert to fraction form
    3,448.71/5,174.01 = 1,368.99/x
  3. Step 3: Cross multiply
    3,448.71x = 5,174.01 × 1,368.99
  4. Step 4: Simplify right side
    3,448.71x = 7,083,167.95
  5. Step 5: Solve for x
    x = 7,083,167.95/3,448.71
  6. Step 6: Final answer
    x = 2,053.86

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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.