Home / 5,286.78-7,925.46-2,823.36

Finding the Fourth Proportional to 5,286.78, 7,925.46 and 2,823.36

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Solution

The fourth proportional to 5,286.78, 7,925.46 and 2,823.36 is: 4,232.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286.78 : 7,925.46 = 2,823.36 : x
  2. Step 2: Convert to fraction form
    5,286.78/7,925.46 = 2,823.36/x
  3. Step 3: Cross multiply
    5,286.78x = 7,925.46 × 2,823.36
  4. Step 4: Simplify right side
    5,286.78x = 22,376,426.75
  5. Step 5: Solve for x
    x = 22,376,426.75/5,286.78
  6. Step 6: Final answer
    x = 4,232.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.