Home / 3,175.67-4,382.36-1,759.45

Finding the Fourth Proportional to 3,175.67, 4,382.36 and 1,759.45

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Solution

The fourth proportional to 3,175.67, 4,382.36 and 1,759.45 is: 2,428.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175.67 : 4,382.36 = 1,759.45 : x
  2. Step 2: Convert to fraction form
    3,175.67/4,382.36 = 1,759.45/x
  3. Step 3: Cross multiply
    3,175.67x = 4,382.36 × 1,759.45
  4. Step 4: Simplify right side
    3,175.67x = 7,710,543.30
  5. Step 5: Solve for x
    x = 7,710,543.30/3,175.67
  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.