Home / 3,022.34-4,170.96-1,677.92

Finding the Fourth Proportional to 3,022.34, 4,170.96 and 1,677.92

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Solution

The fourth proportional to 3,022.34, 4,170.96 and 1,677.92 is: 2,315.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,022.34 : 4,170.96 = 1,677.92 : x
  2. Step 2: Convert to fraction form
    3,022.34/4,170.96 = 1,677.92/x
  3. Step 3: Cross multiply
    3,022.34x = 4,170.96 × 1,677.92
  4. Step 4: Simplify right side
    3,022.34x = 6,998,537.20
  5. Step 5: Solve for x
    x = 6,998,537.20/3,022.34
  6. Step 6: Final answer
    x = 2,315.60

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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.