Home / 5,531.72-8,292.81-2,607.98

Finding the Fourth Proportional to 5,531.72, 8,292.81 and 2,607.98

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Solution

The fourth proportional to 5,531.72, 8,292.81 and 2,607.98 is: 3,909.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,531.72 : 8,292.81 = 2,607.98 : x
  2. Step 2: Convert to fraction form
    5,531.72/8,292.81 = 2,607.98/x
  3. Step 3: Cross multiply
    5,531.72x = 8,292.81 × 2,607.98
  4. Step 4: Simplify right side
    5,531.72x = 21,627,482.62
  5. Step 5: Solve for x
    x = 21,627,482.62/5,531.72
  6. Step 6: Final answer
    x = 3,909.72

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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.