Home / 7,769.82-10,721.96-4,233.02

Finding the Fourth Proportional to 7,769.82, 10,721.96 and 4,233.02

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Solution

The fourth proportional to 7,769.82, 10,721.96 and 4,233.02 is: 5,841.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,769.82 : 10,721.96 = 4,233.02 : x
  2. Step 2: Convert to fraction form
    7,769.82/10,721.96 = 4,233.02/x
  3. Step 3: Cross multiply
    7,769.82x = 10,721.96 × 4,233.02
  4. Step 4: Simplify right side
    7,769.82x = 45,386,271.12
  5. Step 5: Solve for x
    x = 45,386,271.12/7,769.82
  6. Step 6: Final answer
    x = 5,841.35

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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.