Home / 6,182.12-8,531.46-3,387.80

Finding the Fourth Proportional to 6,182.12, 8,531.46 and 3,387.80

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Solution

The fourth proportional to 6,182.12, 8,531.46 and 3,387.80 is: 4,675.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,182.12 : 8,531.46 = 3,387.80 : x
  2. Step 2: Convert to fraction form
    6,182.12/8,531.46 = 3,387.80/x
  3. Step 3: Cross multiply
    6,182.12x = 8,531.46 × 3,387.80
  4. Step 4: Simplify right side
    6,182.12x = 28,902,880.19
  5. Step 5: Solve for x
    x = 28,902,880.19/6,182.12
  6. Step 6: Final answer
    x = 4,675.24

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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.