Home / 5,223.08-7,207.76-2,865.30

Finding the Fourth Proportional to 5,223.08, 7,207.76 and 2,865.30

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Solution

The fourth proportional to 5,223.08, 7,207.76 and 2,865.30 is: 3,954.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,223.08 : 7,207.76 = 2,865.30 : x
  2. Step 2: Convert to fraction form
    5,223.08/7,207.76 = 2,865.30/x
  3. Step 3: Cross multiply
    5,223.08x = 7,207.76 × 2,865.30
  4. Step 4: Simplify right side
    5,223.08x = 20,652,394.73
  5. Step 5: Solve for x
    x = 20,652,394.73/5,223.08
  6. Step 6: Final answer
    x = 3,954.07

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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.