Home / 6,182.56-8,531.76-3,388

Finding the Fourth Proportional to 6,182.56, 8,531.76 and 3,388

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Solution

The fourth proportional to 6,182.56, 8,531.76 and 3,388 is: 4,675.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,182.56 : 8,531.76 = 3,388 : x
  2. Step 2: Convert to fraction form
    6,182.56/8,531.76 = 3,388/x
  3. Step 3: Cross multiply
    6,182.56x = 8,531.76 × 3,388
  4. Step 4: Simplify right side
    6,182.56x = 28,905,602.88
  5. Step 5: Solve for x
    x = 28,905,602.88/6,182.56
  6. Step 6: Final answer
    x = 4,675.35

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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.