Home / 5,273.50-7,276.80-2,915.32

Finding the Fourth Proportional to 5,273.50, 7,276.80 and 2,915.32

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Solution

The fourth proportional to 5,273.50, 7,276.80 and 2,915.32 is: 4,022.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,273.50 : 7,276.80 = 2,915.32 : x
  2. Step 2: Convert to fraction form
    5,273.50/7,276.80 = 2,915.32/x
  3. Step 3: Cross multiply
    5,273.50x = 7,276.80 × 2,915.32
  4. Step 4: Simplify right side
    5,273.50x = 21,214,200.58
  5. Step 5: Solve for x
    x = 21,214,200.58/5,273.50
  6. Step 6: Final answer
    x = 4,022.79

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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.