Home / 5,470.03-8,211.65-3,622.76

Finding the Fourth Proportional to 5,470.03, 8,211.65 and 3,622.76

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Solution

The fourth proportional to 5,470.03, 8,211.65 and 3,622.76 is: 5,438.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,470.03 : 8,211.65 = 3,622.76 : x
  2. Step 2: Convert to fraction form
    5,470.03/8,211.65 = 3,622.76/x
  3. Step 3: Cross multiply
    5,470.03x = 8,211.65 × 3,622.76
  4. Step 4: Simplify right side
    5,470.03x = 29,748,808.78
  5. Step 5: Solve for x
    x = 29,748,808.78/5,470.03
  6. Step 6: Final answer
    x = 5,438.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.