Home / 5,001.96-6,899.84-3,011.28

Finding the Fourth Proportional to 5,001.96, 6,899.84 and 3,011.28

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Solution

The fourth proportional to 5,001.96, 6,899.84 and 3,011.28 is: 4,153.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,001.96 : 6,899.84 = 3,011.28 : x
  2. Step 2: Convert to fraction form
    5,001.96/6,899.84 = 3,011.28/x
  3. Step 3: Cross multiply
    5,001.96x = 6,899.84 × 3,011.28
  4. Step 4: Simplify right side
    5,001.96x = 20,777,350.20
  5. Step 5: Solve for x
    x = 20,777,350.20/5,001.96
  6. Step 6: Final answer
    x = 4,153.84

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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.