Home / 5,808.66-8,015.67-3,155.91

Finding the Fourth Proportional to 5,808.66, 8,015.67 and 3,155.91

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Solution

The fourth proportional to 5,808.66, 8,015.67 and 3,155.91 is: 4,355.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,808.66 : 8,015.67 = 3,155.91 : x
  2. Step 2: Convert to fraction form
    5,808.66/8,015.67 = 3,155.91/x
  3. Step 3: Cross multiply
    5,808.66x = 8,015.67 × 3,155.91
  4. Step 4: Simplify right side
    5,808.66x = 25,296,733.11
  5. Step 5: Solve for x
    x = 25,296,733.11/5,808.66
  6. Step 6: Final answer
    x = 4,355.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.