Home / 5,272.96-7,276.32-2,915.04

Finding the Fourth Proportional to 5,272.96, 7,276.32 and 2,915.04

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Solution

The fourth proportional to 5,272.96, 7,276.32 and 2,915.04 is: 4,022.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.96 : 7,276.32 = 2,915.04 : x
  2. Step 2: Convert to fraction form
    5,272.96/7,276.32 = 2,915.04/x
  3. Step 3: Cross multiply
    5,272.96x = 7,276.32 × 2,915.04
  4. Step 4: Simplify right side
    5,272.96x = 21,210,763.85
  5. Step 5: Solve for x
    x = 21,210,763.85/5,272.96
  6. Step 6: Final answer
    x = 4,022.55

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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.