Home / 5,561.72-8,295.44-4,689.98

Finding the Fourth Proportional to 5,561.72, 8,295.44 and 4,689.98

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Solution

The fourth proportional to 5,561.72, 8,295.44 and 4,689.98 is: 6,995.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,561.72 : 8,295.44 = 4,689.98 : x
  2. Step 2: Convert to fraction form
    5,561.72/8,295.44 = 4,689.98/x
  3. Step 3: Cross multiply
    5,561.72x = 8,295.44 × 4,689.98
  4. Step 4: Simplify right side
    5,561.72x = 38,905,447.69
  5. Step 5: Solve for x
    x = 38,905,447.69/5,561.72
  6. Step 6: Final answer
    x = 6,995.22

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.