Home / 2,836.24-3,913.66-1,577.13

Finding the Fourth Proportional to 2,836.24, 3,913.66 and 1,577.13

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Solution

The fourth proportional to 2,836.24, 3,913.66 and 1,577.13 is: 2,176.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.24 : 3,913.66 = 1,577.13 : x
  2. Step 2: Convert to fraction form
    2,836.24/3,913.66 = 1,577.13/x
  3. Step 3: Cross multiply
    2,836.24x = 3,913.66 × 1,577.13
  4. Step 4: Simplify right side
    2,836.24x = 6,172,350.60
  5. Step 5: Solve for x
    x = 6,172,350.60/2,836.24
  6. Step 6: Final answer
    x = 2,176.24

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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.