Home / 5,414.27-7,473.67-3,178.01

Finding the Fourth Proportional to 5,414.27, 7,473.67 and 3,178.01

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Solution

The fourth proportional to 5,414.27, 7,473.67 and 3,178.01 is: 4,386.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,414.27 : 7,473.67 = 3,178.01 : x
  2. Step 2: Convert to fraction form
    5,414.27/7,473.67 = 3,178.01/x
  3. Step 3: Cross multiply
    5,414.27x = 7,473.67 × 3,178.01
  4. Step 4: Simplify right side
    5,414.27x = 23,751,408.74
  5. Step 5: Solve for x
    x = 23,751,408.74/5,414.27
  6. Step 6: Final answer
    x = 4,386.82

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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.