Home / 5,247.48-7,241.40-3,009.76

Finding the Fourth Proportional to 5,247.48, 7,241.40 and 3,009.76

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Solution

The fourth proportional to 5,247.48, 7,241.40 and 3,009.76 is: 4,153.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247.48 : 7,241.40 = 3,009.76 : x
  2. Step 2: Convert to fraction form
    5,247.48/7,241.40 = 3,009.76/x
  3. Step 3: Cross multiply
    5,247.48x = 7,241.40 × 3,009.76
  4. Step 4: Simplify right side
    5,247.48x = 21,794,857.96
  5. Step 5: Solve for x
    x = 21,794,857.96/5,247.48
  6. Step 6: Final answer
    x = 4,153.39

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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.