Home / 5,579.73-7,700.10-3,061.79

Finding the Fourth Proportional to 5,579.73, 7,700.10 and 3,061.79

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Solution

The fourth proportional to 5,579.73, 7,700.10 and 3,061.79 is: 4,225.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,579.73 : 7,700.10 = 3,061.79 : x
  2. Step 2: Convert to fraction form
    5,579.73/7,700.10 = 3,061.79/x
  3. Step 3: Cross multiply
    5,579.73x = 7,700.10 × 3,061.79
  4. Step 4: Simplify right side
    5,579.73x = 23,576,089.18
  5. Step 5: Solve for x
    x = 23,576,089.18/5,579.73
  6. Step 6: Final answer
    x = 4,225.31

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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.