Home / 5,977.15-8,964.69-1,816.15

Finding the Fourth Proportional to 5,977.15, 8,964.69 and 1,816.15

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Solution

The fourth proportional to 5,977.15, 8,964.69 and 1,816.15 is: 2,723.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,977.15 : 8,964.69 = 1,816.15 : x
  2. Step 2: Convert to fraction form
    5,977.15/8,964.69 = 1,816.15/x
  3. Step 3: Cross multiply
    5,977.15x = 8,964.69 × 1,816.15
  4. Step 4: Simplify right side
    5,977.15x = 16,281,221.74
  5. Step 5: Solve for x
    x = 16,281,221.74/5,977.15
  6. Step 6: Final answer
    x = 2,723.91

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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.