Home / 4,125.90-6,191.73-1,531.02

Finding the Fourth Proportional to 4,125.90, 6,191.73 and 1,531.02

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Solution

The fourth proportional to 4,125.90, 6,191.73 and 1,531.02 is: 2,297.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,125.90 : 6,191.73 = 1,531.02 : x
  2. Step 2: Convert to fraction form
    4,125.90/6,191.73 = 1,531.02/x
  3. Step 3: Cross multiply
    4,125.90x = 6,191.73 × 1,531.02
  4. Step 4: Simplify right side
    4,125.90x = 9,479,662.46
  5. Step 5: Solve for x
    x = 9,479,662.46/4,125.90
  6. Step 6: Final answer
    x = 2,297.60

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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.