Home / 3,291.55-4,542.15-1,799.17

Finding the Fourth Proportional to 3,291.55, 4,542.15 and 1,799.17

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Solution

The fourth proportional to 3,291.55, 4,542.15 and 1,799.17 is: 2,482.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291.55 : 4,542.15 = 1,799.17 : x
  2. Step 2: Convert to fraction form
    3,291.55/4,542.15 = 1,799.17/x
  3. Step 3: Cross multiply
    3,291.55x = 4,542.15 × 1,799.17
  4. Step 4: Simplify right side
    3,291.55x = 8,172,100.02
  5. Step 5: Solve for x
    x = 8,172,100.02/3,291.55
  6. Step 6: Final answer
    x = 2,482.75

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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.