Home / 2,170.92-3,255.03-1,132.10

Finding the Fourth Proportional to 2,170.92, 3,255.03 and 1,132.10

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Solution

The fourth proportional to 2,170.92, 3,255.03 and 1,132.10 is: 1,697.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170.92 : 3,255.03 = 1,132.10 : x
  2. Step 2: Convert to fraction form
    2,170.92/3,255.03 = 1,132.10/x
  3. Step 3: Cross multiply
    2,170.92x = 3,255.03 × 1,132.10
  4. Step 4: Simplify right side
    2,170.92x = 3,685,003.19
  5. Step 5: Solve for x
    x = 3,685,003.19/2,170.92
  6. Step 6: Final answer
    x = 1,697.44

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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.