Home / 5,625.25-8,440.32-2,164.93

Finding the Fourth Proportional to 5,625.25, 8,440.32 and 2,164.93

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Solution

The fourth proportional to 5,625.25, 8,440.32 and 2,164.93 is: 3,248.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,625.25 : 8,440.32 = 2,164.93 : x
  2. Step 2: Convert to fraction form
    5,625.25/8,440.32 = 2,164.93/x
  3. Step 3: Cross multiply
    5,625.25x = 8,440.32 × 2,164.93
  4. Step 4: Simplify right side
    5,625.25x = 18,272,701.98
  5. Step 5: Solve for x
    x = 18,272,701.98/5,625.25
  6. Step 6: Final answer
    x = 3,248.34

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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.