Home / 1,408.23-2,108.07-1,132.02

Finding the Fourth Proportional to 1,408.23, 2,108.07 and 1,132.02

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Solution

The fourth proportional to 1,408.23, 2,108.07 and 1,132.02 is: 1,694.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408.23 : 2,108.07 = 1,132.02 : x
  2. Step 2: Convert to fraction form
    1,408.23/2,108.07 = 1,132.02/x
  3. Step 3: Cross multiply
    1,408.23x = 2,108.07 × 1,132.02
  4. Step 4: Simplify right side
    1,408.23x = 2,386,377.40
  5. Step 5: Solve for x
    x = 2,386,377.40/1,408.23
  6. Step 6: Final answer
    x = 1,694.59

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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.