Home / 3,275.16-4,518.39-2,015.84

Finding the Fourth Proportional to 3,275.16, 4,518.39 and 2,015.84

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Solution

The fourth proportional to 3,275.16, 4,518.39 and 2,015.84 is: 2,781.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275.16 : 4,518.39 = 2,015.84 : x
  2. Step 2: Convert to fraction form
    3,275.16/4,518.39 = 2,015.84/x
  3. Step 3: Cross multiply
    3,275.16x = 4,518.39 × 2,015.84
  4. Step 4: Simplify right side
    3,275.16x = 9,108,318.63
  5. Step 5: Solve for x
    x = 9,108,318.63/3,275.16
  6. Step 6: Final answer
    x = 2,781.03

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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.