Home / 5,272.96-7,277.16-2,915.56

Finding the Fourth Proportional to 5,272.96, 7,277.16 and 2,915.56

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Solution

The fourth proportional to 5,272.96, 7,277.16 and 2,915.56 is: 4,023.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.96 : 7,277.16 = 2,915.56 : x
  2. Step 2: Convert to fraction form
    5,272.96/7,277.16 = 2,915.56/x
  3. Step 3: Cross multiply
    5,272.96x = 7,277.16 × 2,915.56
  4. Step 4: Simplify right side
    5,272.96x = 21,216,996.61
  5. Step 5: Solve for x
    x = 21,216,996.61/5,272.96
  6. Step 6: Final answer
    x = 4,023.74

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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.