Home / 5,511.85-7,606.13-2,993.91

Finding the Fourth Proportional to 5,511.85, 7,606.13 and 2,993.91

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Solution

The fourth proportional to 5,511.85, 7,606.13 and 2,993.91 is: 4,131.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.85 : 7,606.13 = 2,993.91 : x
  2. Step 2: Convert to fraction form
    5,511.85/7,606.13 = 2,993.91/x
  3. Step 3: Cross multiply
    5,511.85x = 7,606.13 × 2,993.91
  4. Step 4: Simplify right side
    5,511.85x = 22,772,042.02
  5. Step 5: Solve for x
    x = 22,772,042.02/5,511.85
  6. Step 6: Final answer
    x = 4,131.47

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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.