Home / 3,867.47-5,338.49-2,295.56

Finding the Fourth Proportional to 3,867.47, 5,338.49 and 2,295.56

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Solution

The fourth proportional to 3,867.47, 5,338.49 and 2,295.56 is: 3,168.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867.47 : 5,338.49 = 2,295.56 : x
  2. Step 2: Convert to fraction form
    3,867.47/5,338.49 = 2,295.56/x
  3. Step 3: Cross multiply
    3,867.47x = 5,338.49 × 2,295.56
  4. Step 4: Simplify right side
    3,867.47x = 12,254,838.89
  5. Step 5: Solve for x
    x = 12,254,838.89/3,867.47
  6. Step 6: Final answer
    x = 3,168.70

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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.