Home / 4,193.76-6,288.36-1,561.16

Finding the Fourth Proportional to 4,193.76, 6,288.36 and 1,561.16

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Solution

The fourth proportional to 4,193.76, 6,288.36 and 1,561.16 is: 2,340.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,193.76 : 6,288.36 = 1,561.16 : x
  2. Step 2: Convert to fraction form
    4,193.76/6,288.36 = 1,561.16/x
  3. Step 3: Cross multiply
    4,193.76x = 6,288.36 × 1,561.16
  4. Step 4: Simplify right side
    4,193.76x = 9,817,104.66
  5. Step 5: Solve for x
    x = 9,817,104.66/4,193.76
  6. Step 6: Final answer
    x = 2,340.88

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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.