Home / 5,273.02-7,276.62-2,915.12

Finding the Fourth Proportional to 5,273.02, 7,276.62 and 2,915.12

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Solution

The fourth proportional to 5,273.02, 7,276.62 and 2,915.12 is: 4,022.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,273.02 : 7,276.62 = 2,915.12 : x
  2. Step 2: Convert to fraction form
    5,273.02/7,276.62 = 2,915.12/x
  3. Step 3: Cross multiply
    5,273.02x = 7,276.62 × 2,915.12
  4. Step 4: Simplify right side
    5,273.02x = 21,212,220.49
  5. Step 5: Solve for x
    x = 21,212,220.49/5,273.02
  6. Step 6: Final answer
    x = 4,022.78

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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.