Home / 3,125.46-4,312.67-2,369.66

Finding the Fourth Proportional to 3,125.46, 4,312.67 and 2,369.66

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Solution

The fourth proportional to 3,125.46, 4,312.67 and 2,369.66 is: 3,269.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.46 : 4,312.67 = 2,369.66 : x
  2. Step 2: Convert to fraction form
    3,125.46/4,312.67 = 2,369.66/x
  3. Step 3: Cross multiply
    3,125.46x = 4,312.67 × 2,369.66
  4. Step 4: Simplify right side
    3,125.46x = 10,219,561.59
  5. Step 5: Solve for x
    x = 10,219,561.59/3,125.46
  6. Step 6: Final answer
    x = 3,269.78

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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.