Home / 6,983.10-10,486.80-3,702.60

Finding the Fourth Proportional to 6,983.10, 10,486.80 and 3,702.60

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Solution

The fourth proportional to 6,983.10, 10,486.80 and 3,702.60 is: 5,560.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,983.10 : 10,486.80 = 3,702.60 : x
  2. Step 2: Convert to fraction form
    6,983.10/10,486.80 = 3,702.60/x
  3. Step 3: Cross multiply
    6,983.10x = 10,486.80 × 3,702.60
  4. Step 4: Simplify right side
    6,983.10x = 38,828,425.68
  5. Step 5: Solve for x
    x = 38,828,425.68/6,983.10
  6. Step 6: Final answer
    x = 5,560.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.