Home / 3,175.68-4,382.36-1,759.46

Finding the Fourth Proportional to 3,175.68, 4,382.36 and 1,759.46

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Solution

The fourth proportional to 3,175.68, 4,382.36 and 1,759.46 is: 2,428.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175.68 : 4,382.36 = 1,759.46 : x
  2. Step 2: Convert to fraction form
    3,175.68/4,382.36 = 1,759.46/x
  3. Step 3: Cross multiply
    3,175.68x = 4,382.36 × 1,759.46
  4. Step 4: Simplify right side
    3,175.68x = 7,710,587.13
  5. Step 5: Solve for x
    x = 7,710,587.13/3,175.68
  6. Step 6: Final answer
    x = 2,428.01

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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.