Home / 6,470.18-9,705.28-2,770.02

Finding the Fourth Proportional to 6,470.18, 9,705.28 and 2,770.02

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Solution

The fourth proportional to 6,470.18, 9,705.28 and 2,770.02 is: 4,155.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,470.18 : 9,705.28 = 2,770.02 : x
  2. Step 2: Convert to fraction form
    6,470.18/9,705.28 = 2,770.02/x
  3. Step 3: Cross multiply
    6,470.18x = 9,705.28 × 2,770.02
  4. Step 4: Simplify right side
    6,470.18x = 26,883,757.33
  5. Step 5: Solve for x
    x = 26,883,757.33/6,470.18
  6. Step 6: Final answer
    x = 4,155.02

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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.