Home / 4,191.89-6,278.27-2,002.16

Finding the Fourth Proportional to 4,191.89, 6,278.27 and 2,002.16

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Solution

The fourth proportional to 4,191.89, 6,278.27 and 2,002.16 is: 2,998.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,191.89 : 6,278.27 = 2,002.16 : x
  2. Step 2: Convert to fraction form
    4,191.89/6,278.27 = 2,002.16/x
  3. Step 3: Cross multiply
    4,191.89x = 6,278.27 × 2,002.16
  4. Step 4: Simplify right side
    4,191.89x = 12,570,077.06
  5. Step 5: Solve for x
    x = 12,570,077.06/4,191.89
  6. Step 6: Final answer
    x = 2,998.67

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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.