Home / 5,891.09-8,131.73-4,127.85

Finding the Fourth Proportional to 5,891.09, 8,131.73 and 4,127.85

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Solution

The fourth proportional to 5,891.09, 8,131.73 and 4,127.85 is: 5,697.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,891.09 : 8,131.73 = 4,127.85 : x
  2. Step 2: Convert to fraction form
    5,891.09/8,131.73 = 4,127.85/x
  3. Step 3: Cross multiply
    5,891.09x = 8,131.73 × 4,127.85
  4. Step 4: Simplify right side
    5,891.09x = 33,566,541.04
  5. Step 5: Solve for x
    x = 33,566,541.04/5,891.09
  6. Step 6: Final answer
    x = 5,697.85

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1.5x scale

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.