Home / 3,141.66-4,333.58-2,079.42

Finding the Fourth Proportional to 3,141.66, 4,333.58 and 2,079.42

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Solution

The fourth proportional to 3,141.66, 4,333.58 and 2,079.42 is: 2,868.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141.66 : 4,333.58 = 2,079.42 : x
  2. Step 2: Convert to fraction form
    3,141.66/4,333.58 = 2,079.42/x
  3. Step 3: Cross multiply
    3,141.66x = 4,333.58 × 2,079.42
  4. Step 4: Simplify right side
    3,141.66x = 9,011,332.92
  5. Step 5: Solve for x
    x = 9,011,332.92/3,141.66
  6. Step 6: Final answer
    x = 2,868.33

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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.