Home / 5,272.08-7,275.52-3,176.88

Finding the Fourth Proportional to 5,272.08, 7,275.52 and 3,176.88

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Solution

The fourth proportional to 5,272.08, 7,275.52 and 3,176.88 is: 4,384.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.08 : 7,275.52 = 3,176.88 : x
  2. Step 2: Convert to fraction form
    5,272.08/7,275.52 = 3,176.88/x
  3. Step 3: Cross multiply
    5,272.08x = 7,275.52 × 3,176.88
  4. Step 4: Simplify right side
    5,272.08x = 23,113,453.98
  5. Step 5: Solve for x
    x = 23,113,453.98/5,272.08
  6. Step 6: Final answer
    x = 4,384.12

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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.