Home / 5,242.70-7,237.28-3,564.12

Finding the Fourth Proportional to 5,242.70, 7,237.28 and 3,564.12

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Solution

The fourth proportional to 5,242.70, 7,237.28 and 3,564.12 is: 4,920.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,242.70 : 7,237.28 = 3,564.12 : x
  2. Step 2: Convert to fraction form
    5,242.70/7,237.28 = 3,564.12/x
  3. Step 3: Cross multiply
    5,242.70x = 7,237.28 × 3,564.12
  4. Step 4: Simplify right side
    5,242.70x = 25,794,534.39
  5. Step 5: Solve for x
    x = 25,794,534.39/5,242.70
  6. Step 6: Final answer
    x = 4,920.09

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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.