Home / 5,008.98-6,912.08-2,770.76

Finding the Fourth Proportional to 5,008.98, 6,912.08 and 2,770.76

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Solution

The fourth proportional to 5,008.98, 6,912.08 and 2,770.76 is: 3,823.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,008.98 : 6,912.08 = 2,770.76 : x
  2. Step 2: Convert to fraction form
    5,008.98/6,912.08 = 2,770.76/x
  3. Step 3: Cross multiply
    5,008.98x = 6,912.08 × 2,770.76
  4. Step 4: Simplify right side
    5,008.98x = 19,151,714.78
  5. Step 5: Solve for x
    x = 19,151,714.78/5,008.98
  6. Step 6: Final answer
    x = 3,823.48

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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.