Home / 1,748.12-2,412.27-1,002.11

Finding the Fourth Proportional to 1,748.12, 2,412.27 and 1,002.11

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Solution

The fourth proportional to 1,748.12, 2,412.27 and 1,002.11 is: 1,382.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,748.12 : 2,412.27 = 1,002.11 : x
  2. Step 2: Convert to fraction form
    1,748.12/2,412.27 = 1,002.11/x
  3. Step 3: Cross multiply
    1,748.12x = 2,412.27 × 1,002.11
  4. Step 4: Simplify right side
    1,748.12x = 2,417,347.83
  5. Step 5: Solve for x
    x = 2,417,347.83/1,748.12
  6. Step 6: Final answer
    x = 1,382.83

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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.