Home / 5,007.98-6,910.40-2,769.55

Finding the Fourth Proportional to 5,007.98, 6,910.40 and 2,769.55

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Solution

The fourth proportional to 5,007.98, 6,910.40 and 2,769.55 is: 3,821.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007.98 : 6,910.40 = 2,769.55 : x
  2. Step 2: Convert to fraction form
    5,007.98/6,910.40 = 2,769.55/x
  3. Step 3: Cross multiply
    5,007.98x = 6,910.40 × 2,769.55
  4. Step 4: Simplify right side
    5,007.98x = 19,138,663.77
  5. Step 5: Solve for x
    x = 19,138,663.77/5,007.98
  6. Step 6: Final answer
    x = 3,821.64

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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.