Home / 3,924.28-5,415.53-2,352.38

Finding the Fourth Proportional to 3,924.28, 5,415.53 and 2,352.38

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Solution

The fourth proportional to 3,924.28, 5,415.53 and 2,352.38 is: 3,246.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,924.28 : 5,415.53 = 2,352.38 : x
  2. Step 2: Convert to fraction form
    3,924.28/5,415.53 = 2,352.38/x
  3. Step 3: Cross multiply
    3,924.28x = 5,415.53 × 2,352.38
  4. Step 4: Simplify right side
    3,924.28x = 12,739,345.62
  5. Step 5: Solve for x
    x = 12,739,345.62/3,924.28
  6. Step 6: Final answer
    x = 3,246.29

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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.