Home / 6,182.18-8,531.75-3,530.45

Finding the Fourth Proportional to 6,182.18, 8,531.75 and 3,530.45

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Solution

The fourth proportional to 6,182.18, 8,531.75 and 3,530.45 is: 4,872.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,182.18 : 8,531.75 = 3,530.45 : x
  2. Step 2: Convert to fraction form
    6,182.18/8,531.75 = 3,530.45/x
  3. Step 3: Cross multiply
    6,182.18x = 8,531.75 × 3,530.45
  4. Step 4: Simplify right side
    6,182.18x = 30,120,856.48
  5. Step 5: Solve for x
    x = 30,120,856.48/6,182.18
  6. Step 6: Final answer
    x = 4,872.21

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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.