Home / 3,175.10-4,381.89-1,759.23

Finding the Fourth Proportional to 3,175.10, 4,381.89 and 1,759.23

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Solution

The fourth proportional to 3,175.10, 4,381.89 and 1,759.23 is: 2,427.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175.10 : 4,381.89 = 1,759.23 : x
  2. Step 2: Convert to fraction form
    3,175.10/4,381.89 = 1,759.23/x
  3. Step 3: Cross multiply
    3,175.10x = 4,381.89 × 1,759.23
  4. Step 4: Simplify right side
    3,175.10x = 7,708,752.34
  5. Step 5: Solve for x
    x = 7,708,752.34/3,175.10
  6. Step 6: Final answer
    x = 2,427.88

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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.