Home / 4,175.18-5,761.76-2,312.18

Finding the Fourth Proportional to 4,175.18, 5,761.76 and 2,312.18

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Solution

The fourth proportional to 4,175.18, 5,761.76 and 2,312.18 is: 3,190.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,175.18 : 5,761.76 = 2,312.18 : x
  2. Step 2: Convert to fraction form
    4,175.18/5,761.76 = 2,312.18/x
  3. Step 3: Cross multiply
    4,175.18x = 5,761.76 × 2,312.18
  4. Step 4: Simplify right side
    4,175.18x = 13,322,226.24
  5. Step 5: Solve for x
    x = 13,322,226.24/4,175.18
  6. Step 6: Final answer
    x = 3,190.81

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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.