Home / 5,291.06-7,937.19-1,395.77

Finding the Fourth Proportional to 5,291.06, 7,937.19 and 1,395.77

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Solution

The fourth proportional to 5,291.06, 7,937.19 and 1,395.77 is: 2,093.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,291.06 : 7,937.19 = 1,395.77 : x
  2. Step 2: Convert to fraction form
    5,291.06/7,937.19 = 1,395.77/x
  3. Step 3: Cross multiply
    5,291.06x = 7,937.19 × 1,395.77
  4. Step 4: Simplify right side
    5,291.06x = 11,078,452.00
  5. Step 5: Solve for x
    x = 11,078,452.00/5,291.06
  6. Step 6: Final answer
    x = 2,093.81

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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.