Home / 5,184.54-7,155.12-2,947.11

Finding the Fourth Proportional to 5,184.54, 7,155.12 and 2,947.11

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Solution

The fourth proportional to 5,184.54, 7,155.12 and 2,947.11 is: 4,067.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,184.54 : 7,155.12 = 2,947.11 : x
  2. Step 2: Convert to fraction form
    5,184.54/7,155.12 = 2,947.11/x
  3. Step 3: Cross multiply
    5,184.54x = 7,155.12 × 2,947.11
  4. Step 4: Simplify right side
    5,184.54x = 21,086,925.70
  5. Step 5: Solve for x
    x = 21,086,925.70/5,184.54
  6. Step 6: Final answer
    x = 4,067.27

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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.