Home / 3,040.62-4,197.05-1,861.66

Finding the Fourth Proportional to 3,040.62, 4,197.05 and 1,861.66

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Solution

The fourth proportional to 3,040.62, 4,197.05 and 1,861.66 is: 2,569.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.62 : 4,197.05 = 1,861.66 : x
  2. Step 2: Convert to fraction form
    3,040.62/4,197.05 = 1,861.66/x
  3. Step 3: Cross multiply
    3,040.62x = 4,197.05 × 1,861.66
  4. Step 4: Simplify right side
    3,040.62x = 7,813,480.10
  5. Step 5: Solve for x
    x = 7,813,480.10/3,040.62
  6. Step 6: Final answer
    x = 2,569.70

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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.