Home / 3,433.32-4,737.98-1,861.40

Finding the Fourth Proportional to 3,433.32, 4,737.98 and 1,861.40

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Solution

The fourth proportional to 3,433.32, 4,737.98 and 1,861.40 is: 2,568.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,433.32 : 4,737.98 = 1,861.40 : x
  2. Step 2: Convert to fraction form
    3,433.32/4,737.98 = 1,861.40/x
  3. Step 3: Cross multiply
    3,433.32x = 4,737.98 × 1,861.40
  4. Step 4: Simplify right side
    3,433.32x = 8,819,275.97
  5. Step 5: Solve for x
    x = 8,819,275.97/3,433.32
  6. Step 6: Final answer
    x = 2,568.73

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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.