Home / 5,273.60-7,277.52-2,915.78

Finding the Fourth Proportional to 5,273.60, 7,277.52 and 2,915.78

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Solution

The fourth proportional to 5,273.60, 7,277.52 and 2,915.78 is: 4,023.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,273.60 : 7,277.52 = 2,915.78 : x
  2. Step 2: Convert to fraction form
    5,273.60/7,277.52 = 2,915.78/x
  3. Step 3: Cross multiply
    5,273.60x = 7,277.52 × 2,915.78
  4. Step 4: Simplify right side
    5,273.60x = 21,219,647.27
  5. Step 5: Solve for x
    x = 21,219,647.27/5,273.60
  6. Step 6: Final answer
    x = 4,023.75

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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.