Home / 2,132.48-3,216.74-2,020.44

Finding the Fourth Proportional to 2,132.48, 3,216.74 and 2,020.44

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Solution

The fourth proportional to 2,132.48, 3,216.74 and 2,020.44 is: 3,047.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132.48 : 3,216.74 = 2,020.44 : x
  2. Step 2: Convert to fraction form
    2,132.48/3,216.74 = 2,020.44/x
  3. Step 3: Cross multiply
    2,132.48x = 3,216.74 × 2,020.44
  4. Step 4: Simplify right side
    2,132.48x = 6,499,230.17
  5. Step 5: Solve for x
    x = 6,499,230.17/2,132.48
  6. Step 6: Final answer
    x = 3,047.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.