Home / 5,184.13-7,776.16-1,288.54

Finding the Fourth Proportional to 5,184.13, 7,776.16 and 1,288.54

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Solution

The fourth proportional to 5,184.13, 7,776.16 and 1,288.54 is: 1,932.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,184.13 : 7,776.16 = 1,288.54 : x
  2. Step 2: Convert to fraction form
    5,184.13/7,776.16 = 1,288.54/x
  3. Step 3: Cross multiply
    5,184.13x = 7,776.16 × 1,288.54
  4. Step 4: Simplify right side
    5,184.13x = 10,019,893.21
  5. Step 5: Solve for x
    x = 10,019,893.21/5,184.13
  6. Step 6: Final answer
    x = 1,932.80

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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.