Home / 6,275.12-8,659.91-3,442.75

Finding the Fourth Proportional to 6,275.12, 8,659.91 and 3,442.75

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Solution

The fourth proportional to 6,275.12, 8,659.91 and 3,442.75 is: 4,751.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,275.12 : 8,659.91 = 3,442.75 : x
  2. Step 2: Convert to fraction form
    6,275.12/8,659.91 = 3,442.75/x
  3. Step 3: Cross multiply
    6,275.12x = 8,659.91 × 3,442.75
  4. Step 4: Simplify right side
    6,275.12x = 29,813,892.11
  5. Step 5: Solve for x
    x = 29,813,892.11/6,275.12
  6. Step 6: Final answer
    x = 4,751.13

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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.