Home / 6,181.52-8,530.71-3,387.02

Finding the Fourth Proportional to 6,181.52, 8,530.71 and 3,387.02

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Solution

The fourth proportional to 6,181.52, 8,530.71 and 3,387.02 is: 4,674.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,181.52 : 8,530.71 = 3,387.02 : x
  2. Step 2: Convert to fraction form
    6,181.52/8,530.71 = 3,387.02/x
  3. Step 3: Cross multiply
    6,181.52x = 8,530.71 × 3,387.02
  4. Step 4: Simplify right side
    6,181.52x = 28,893,685.38
  5. Step 5: Solve for x
    x = 28,893,685.38/6,181.52
  6. Step 6: Final answer
    x = 4,674.20

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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.