Home / 5,272.84-7,276.46-2,915.02

Finding the Fourth Proportional to 5,272.84, 7,276.46 and 2,915.02

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Solution

The fourth proportional to 5,272.84, 7,276.46 and 2,915.02 is: 4,022.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.84 : 7,276.46 = 2,915.02 : x
  2. Step 2: Convert to fraction form
    5,272.84/7,276.46 = 2,915.02/x
  3. Step 3: Cross multiply
    5,272.84x = 7,276.46 × 2,915.02
  4. Step 4: Simplify right side
    5,272.84x = 21,211,026.43
  5. Step 5: Solve for x
    x = 21,211,026.43/5,272.84
  6. Step 6: Final answer
    x = 4,022.69

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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.