Home / 2,132.16-3,197.61-745.23

Finding the Fourth Proportional to 2,132.16, 3,197.61 and 745.23

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Solution

The fourth proportional to 2,132.16, 3,197.61 and 745.23 is: 1,117.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132.16 : 3,197.61 = 745.23 : x
  2. Step 2: Convert to fraction form
    2,132.16/3,197.61 = 745.23/x
  3. Step 3: Cross multiply
    2,132.16x = 3,197.61 × 745.23
  4. Step 4: Simplify right side
    2,132.16x = 2,382,966.89
  5. Step 5: Solve for x
    x = 2,382,966.89/2,132.16
  6. Step 6: Final answer
    x = 1,117.63

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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.