Home / 5,273.24-7,276.90-2,915.38

Finding the Fourth Proportional to 5,273.24, 7,276.90 and 2,915.38

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Solution

The fourth proportional to 5,273.24, 7,276.90 and 2,915.38 is: 4,023.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,273.24 : 7,276.90 = 2,915.38 : x
  2. Step 2: Convert to fraction form
    5,273.24/7,276.90 = 2,915.38/x
  3. Step 3: Cross multiply
    5,273.24x = 7,276.90 × 2,915.38
  4. Step 4: Simplify right side
    5,273.24x = 21,214,928.72
  5. Step 5: Solve for x
    x = 21,214,928.72/5,273.24
  6. Step 6: Final answer
    x = 4,023.13

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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.