Home / 7,276.48-10,915.52-2,083.20

Finding the Fourth Proportional to 7,276.48, 10,915.52 and 2,083.20

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Solution

The fourth proportional to 7,276.48, 10,915.52 and 2,083.20 is: 3,125.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,276.48 : 10,915.52 = 2,083.20 : x
  2. Step 2: Convert to fraction form
    7,276.48/10,915.52 = 2,083.20/x
  3. Step 3: Cross multiply
    7,276.48x = 10,915.52 × 2,083.20
  4. Step 4: Simplify right side
    7,276.48x = 22,739,211.26
  5. Step 5: Solve for x
    x = 22,739,211.26/7,276.48
  6. Step 6: Final answer
    x = 3,125.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.