Home / 5,008.24-6,911.40-2,770.12

Finding the Fourth Proportional to 5,008.24, 6,911.40 and 2,770.12

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Solution

The fourth proportional to 5,008.24, 6,911.40 and 2,770.12 is: 3,822.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,008.24 : 6,911.40 = 2,770.12 : x
  2. Step 2: Convert to fraction form
    5,008.24/6,911.40 = 2,770.12/x
  3. Step 3: Cross multiply
    5,008.24x = 6,911.40 × 2,770.12
  4. Step 4: Simplify right side
    5,008.24x = 19,145,407.37
  5. Step 5: Solve for x
    x = 19,145,407.37/5,008.24
  6. Step 6: Final answer
    x = 3,822.78

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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.