Home / 5,039-7,557.06-2,117.96

Finding the Fourth Proportional to 5,039, 7,557.06 and 2,117.96

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Solution

The fourth proportional to 5,039, 7,557.06 and 2,117.96 is: 3,176.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,039 : 7,557.06 = 2,117.96 : x
  2. Step 2: Convert to fraction form
    5,039/7,557.06 = 2,117.96/x
  3. Step 3: Cross multiply
    5,039x = 7,557.06 × 2,117.96
  4. Step 4: Simplify right side
    5,039x = 16,005,550.80
  5. Step 5: Solve for x
    x = 16,005,550.80/5,039
  6. Step 6: Final answer
    x = 3,176.33

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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.