Home / 5,891.85-8,130.79-3,239.35

Finding the Fourth Proportional to 5,891.85, 8,130.79 and 3,239.35

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Solution

The fourth proportional to 5,891.85, 8,130.79 and 3,239.35 is: 4,470.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,891.85 : 8,130.79 = 3,239.35 : x
  2. Step 2: Convert to fraction form
    5,891.85/8,130.79 = 3,239.35/x
  3. Step 3: Cross multiply
    5,891.85x = 8,130.79 × 3,239.35
  4. Step 4: Simplify right side
    5,891.85x = 26,338,474.59
  5. Step 5: Solve for x
    x = 26,338,474.59/5,891.85
  6. Step 6: Final answer
    x = 4,470.32

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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.