Home / 5,225.97-7,211.25-3,100.74

Finding the Fourth Proportional to 5,225.97, 7,211.25 and 3,100.74

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Solution

The fourth proportional to 5,225.97, 7,211.25 and 3,100.74 is: 4,278.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,225.97 : 7,211.25 = 3,100.74 : x
  2. Step 2: Convert to fraction form
    5,225.97/7,211.25 = 3,100.74/x
  3. Step 3: Cross multiply
    5,225.97x = 7,211.25 × 3,100.74
  4. Step 4: Simplify right side
    5,225.97x = 22,360,211.33
  5. Step 5: Solve for x
    x = 22,360,211.33/5,225.97
  6. Step 6: Final answer
    x = 4,278.67

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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.