Home / 5,273.55-7,276.95-2,915.55

Finding the Fourth Proportional to 5,273.55, 7,276.95 and 2,915.55

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Solution

The fourth proportional to 5,273.55, 7,276.95 and 2,915.55 is: 4,023.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,273.55 : 7,276.95 = 2,915.55 : x
  2. Step 2: Convert to fraction form
    5,273.55/7,276.95 = 2,915.55/x
  3. Step 3: Cross multiply
    5,273.55x = 7,276.95 × 2,915.55
  4. Step 4: Simplify right side
    5,273.55x = 21,216,311.57
  5. Step 5: Solve for x
    x = 21,216,311.57/5,273.55
  6. Step 6: Final answer
    x = 4,023.16

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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.