Home / 2,965.95-4,448.25-1,117.13

Finding the Fourth Proportional to 2,965.95, 4,448.25 and 1,117.13

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Solution

The fourth proportional to 2,965.95, 4,448.25 and 1,117.13 is: 1,675.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,965.95 : 4,448.25 = 1,117.13 : x
  2. Step 2: Convert to fraction form
    2,965.95/4,448.25 = 1,117.13/x
  3. Step 3: Cross multiply
    2,965.95x = 4,448.25 × 1,117.13
  4. Step 4: Simplify right side
    2,965.95x = 4,969,251.28
  5. Step 5: Solve for x
    x = 4,969,251.28/2,965.95
  6. Step 6: Final answer
    x = 1,675.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.