Home / 5,579.81-7,699.87-3,061.86

Finding the Fourth Proportional to 5,579.81, 7,699.87 and 3,061.86

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Solution

The fourth proportional to 5,579.81, 7,699.87 and 3,061.86 is: 4,225.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,579.81 : 7,699.87 = 3,061.86 : x
  2. Step 2: Convert to fraction form
    5,579.81/7,699.87 = 3,061.86/x
  3. Step 3: Cross multiply
    5,579.81x = 7,699.87 × 3,061.86
  4. Step 4: Simplify right side
    5,579.81x = 23,575,923.96
  5. Step 5: Solve for x
    x = 23,575,923.96/5,579.81
  6. Step 6: Final answer
    x = 4,225.22

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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.