Home / 6,605.36-9,902.40-2,707.28

Finding the Fourth Proportional to 6,605.36, 9,902.40 and 2,707.28

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Solution

The fourth proportional to 6,605.36, 9,902.40 and 2,707.28 is: 4,058.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,605.36 : 9,902.40 = 2,707.28 : x
  2. Step 2: Convert to fraction form
    6,605.36/9,902.40 = 2,707.28/x
  3. Step 3: Cross multiply
    6,605.36x = 9,902.40 × 2,707.28
  4. Step 4: Simplify right side
    6,605.36x = 26,808,569.47
  5. Step 5: Solve for x
    x = 26,808,569.47/6,605.36
  6. Step 6: Final answer
    x = 4,058.61

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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.