Home / 7,900.32-11,852.19-2,354.11

Finding the Fourth Proportional to 7,900.32, 11,852.19 and 2,354.11

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Solution

The fourth proportional to 7,900.32, 11,852.19 and 2,354.11 is: 3,531.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,900.32 : 11,852.19 = 2,354.11 : x
  2. Step 2: Convert to fraction form
    7,900.32/11,852.19 = 2,354.11/x
  3. Step 3: Cross multiply
    7,900.32x = 11,852.19 × 2,354.11
  4. Step 4: Simplify right side
    7,900.32x = 27,901,287.97
  5. Step 5: Solve for x
    x = 27,901,287.97/7,900.32
  6. Step 6: Final answer
    x = 3,531.67

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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.