Home / 2,648.80-3,655.68-2,532.16

Finding the Fourth Proportional to 2,648.80, 3,655.68 and 2,532.16

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Solution

The fourth proportional to 2,648.80, 3,655.68 and 2,532.16 is: 3,494.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,648.80 : 3,655.68 = 2,532.16 : x
  2. Step 2: Convert to fraction form
    2,648.80/3,655.68 = 2,532.16/x
  3. Step 3: Cross multiply
    2,648.80x = 3,655.68 × 2,532.16
  4. Step 4: Simplify right side
    2,648.80x = 9,256,766.67
  5. Step 5: Solve for x
    x = 9,256,766.67/2,648.80
  6. Step 6: Final answer
    x = 3,494.70

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1.5x scale

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.