Home / 5,511.50-7,605.95-2,993.66

Finding the Fourth Proportional to 5,511.50, 7,605.95 and 2,993.66

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Solution

The fourth proportional to 5,511.50, 7,605.95 and 2,993.66 is: 4,131.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.50 : 7,605.95 = 2,993.66 : x
  2. Step 2: Convert to fraction form
    5,511.50/7,605.95 = 2,993.66/x
  3. Step 3: Cross multiply
    5,511.50x = 7,605.95 × 2,993.66
  4. Step 4: Simplify right side
    5,511.50x = 22,769,587.10
  5. Step 5: Solve for x
    x = 22,769,587.10/5,511.50
  6. Step 6: Final answer
    x = 4,131.29

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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.