Home / 2,434.23-3,360.03-1,689.18

Finding the Fourth Proportional to 2,434.23, 3,360.03 and 1,689.18

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Solution

The fourth proportional to 2,434.23, 3,360.03 and 1,689.18 is: 2,331.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,434.23 : 3,360.03 = 1,689.18 : x
  2. Step 2: Convert to fraction form
    2,434.23/3,360.03 = 1,689.18/x
  3. Step 3: Cross multiply
    2,434.23x = 3,360.03 × 1,689.18
  4. Step 4: Simplify right side
    2,434.23x = 5,675,695.48
  5. Step 5: Solve for x
    x = 5,675,695.48/2,434.23
  6. Step 6: Final answer
    x = 2,331.62

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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.