Home / 1,740.24-2,401.92-1,042.02

Finding the Fourth Proportional to 1,740.24, 2,401.92 and 1,042.02

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Solution

The fourth proportional to 1,740.24, 2,401.92 and 1,042.02 is: 1,438.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,740.24 : 2,401.92 = 1,042.02 : x
  2. Step 2: Convert to fraction form
    1,740.24/2,401.92 = 1,042.02/x
  3. Step 3: Cross multiply
    1,740.24x = 2,401.92 × 1,042.02
  4. Step 4: Simplify right side
    1,740.24x = 2,502,848.68
  5. Step 5: Solve for x
    x = 2,502,848.68/1,740.24
  6. Step 6: Final answer
    x = 1,438.22

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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.