Home / 5,272.99-7,276.59-2,882.89

Finding the Fourth Proportional to 5,272.99, 7,276.59 and 2,882.89

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Solution

The fourth proportional to 5,272.99, 7,276.59 and 2,882.89 is: 3,978.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.99 : 7,276.59 = 2,882.89 : x
  2. Step 2: Convert to fraction form
    5,272.99/7,276.59 = 2,882.89/x
  3. Step 3: Cross multiply
    5,272.99x = 7,276.59 × 2,882.89
  4. Step 4: Simplify right side
    5,272.99x = 20,977,646.21
  5. Step 5: Solve for x
    x = 20,977,646.21/5,272.99
  6. Step 6: Final answer
    x = 3,978.32

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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.