Home / 5,272.32-7,276.77-3,148.02

Finding the Fourth Proportional to 5,272.32, 7,276.77 and 3,148.02

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Solution

The fourth proportional to 5,272.32, 7,276.77 and 3,148.02 is: 4,344.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.32 : 7,276.77 = 3,148.02 : x
  2. Step 2: Convert to fraction form
    5,272.32/7,276.77 = 3,148.02/x
  3. Step 3: Cross multiply
    5,272.32x = 7,276.77 × 3,148.02
  4. Step 4: Simplify right side
    5,272.32x = 22,907,417.50
  5. Step 5: Solve for x
    x = 22,907,417.50/5,272.32
  6. Step 6: Final answer
    x = 4,344.85

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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.