Home / 5,440.12-8,159.76-1,741.36

Finding the Fourth Proportional to 5,440.12, 8,159.76 and 1,741.36

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Solution

The fourth proportional to 5,440.12, 8,159.76 and 1,741.36 is: 2,611.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.12 : 8,159.76 = 1,741.36 : x
  2. Step 2: Convert to fraction form
    5,440.12/8,159.76 = 1,741.36/x
  3. Step 3: Cross multiply
    5,440.12x = 8,159.76 × 1,741.36
  4. Step 4: Simplify right side
    5,440.12x = 14,209,079.67
  5. Step 5: Solve for x
    x = 14,209,079.67/5,440.12
  6. Step 6: Final answer
    x = 2,611.91

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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.