Home / 5,267.86-7,269.33-2,909.95

Finding the Fourth Proportional to 5,267.86, 7,269.33 and 2,909.95

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Solution

The fourth proportional to 5,267.86, 7,269.33 and 2,909.95 is: 4,015.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,267.86 : 7,269.33 = 2,909.95 : x
  2. Step 2: Convert to fraction form
    5,267.86/7,269.33 = 2,909.95/x
  3. Step 3: Cross multiply
    5,267.86x = 7,269.33 × 2,909.95
  4. Step 4: Simplify right side
    5,267.86x = 21,153,386.83
  5. Step 5: Solve for x
    x = 21,153,386.83/5,267.86
  6. Step 6: Final answer
    x = 4,015.56

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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.