Home / 4,188.13-6,275.40-2,213.67

Finding the Fourth Proportional to 4,188.13, 6,275.40 and 2,213.67

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Solution

The fourth proportional to 4,188.13, 6,275.40 and 2,213.67 is: 3,316.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.13 : 6,275.40 = 2,213.67 : x
  2. Step 2: Convert to fraction form
    4,188.13/6,275.40 = 2,213.67/x
  3. Step 3: Cross multiply
    4,188.13x = 6,275.40 × 2,213.67
  4. Step 4: Simplify right side
    4,188.13x = 13,891,664.72
  5. Step 5: Solve for x
    x = 13,891,664.72/4,188.13
  6. Step 6: Final answer
    x = 3,316.91

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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.