Home / 3,062.40-4,226.88-1,736.90

Finding the Fourth Proportional to 3,062.40, 4,226.88 and 1,736.90

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Solution

The fourth proportional to 3,062.40, 4,226.88 and 1,736.90 is: 2,397.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,062.40 : 4,226.88 = 1,736.90 : x
  2. Step 2: Convert to fraction form
    3,062.40/4,226.88 = 1,736.90/x
  3. Step 3: Cross multiply
    3,062.40x = 4,226.88 × 1,736.90
  4. Step 4: Simplify right side
    3,062.40x = 7,341,667.87
  5. Step 5: Solve for x
    x = 7,341,667.87/3,062.40
  6. Step 6: Final answer
    x = 2,397.36

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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.