Home / 5,248.05-7,241.56-2,890.34

Finding the Fourth Proportional to 5,248.05, 7,241.56 and 2,890.34

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Solution

The fourth proportional to 5,248.05, 7,241.56 and 2,890.34 is: 3,988.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,248.05 : 7,241.56 = 2,890.34 : x
  2. Step 2: Convert to fraction form
    5,248.05/7,241.56 = 2,890.34/x
  3. Step 3: Cross multiply
    5,248.05x = 7,241.56 × 2,890.34
  4. Step 4: Simplify right side
    5,248.05x = 20,930,570.53
  5. Step 5: Solve for x
    x = 20,930,570.53/5,248.05
  6. Step 6: Final answer
    x = 3,988.26

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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.