Home / 5,267.76-7,269.32-2,909.84

Finding the Fourth Proportional to 5,267.76, 7,269.32 and 2,909.84

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Solution

The fourth proportional to 5,267.76, 7,269.32 and 2,909.84 is: 4,015.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,267.76 : 7,269.32 = 2,909.84 : x
  2. Step 2: Convert to fraction form
    5,267.76/7,269.32 = 2,909.84/x
  3. Step 3: Cross multiply
    5,267.76x = 7,269.32 × 2,909.84
  4. Step 4: Simplify right side
    5,267.76x = 21,152,558.11
  5. Step 5: Solve for x
    x = 21,152,558.11/5,267.76
  6. Step 6: Final answer
    x = 4,015.47

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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.