Home / 6,480.56-9,721.96-4,291.04

Finding the Fourth Proportional to 6,480.56, 9,721.96 and 4,291.04

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Solution

The fourth proportional to 6,480.56, 9,721.96 and 4,291.04 is: 6,437.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,480.56 : 9,721.96 = 4,291.04 : x
  2. Step 2: Convert to fraction form
    6,480.56/9,721.96 = 4,291.04/x
  3. Step 3: Cross multiply
    6,480.56x = 9,721.96 × 4,291.04
  4. Step 4: Simplify right side
    6,480.56x = 41,717,319.24
  5. Step 5: Solve for x
    x = 41,717,319.24/6,480.56
  6. Step 6: Final answer
    x = 6,437.30

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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.