Home / 4,947.09-7,422.69-2,312.67

Finding the Fourth Proportional to 4,947.09, 7,422.69 and 2,312.67

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Solution

The fourth proportional to 4,947.09, 7,422.69 and 2,312.67 is: 3,469.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947.09 : 7,422.69 = 2,312.67 : x
  2. Step 2: Convert to fraction form
    4,947.09/7,422.69 = 2,312.67/x
  3. Step 3: Cross multiply
    4,947.09x = 7,422.69 × 2,312.67
  4. Step 4: Simplify right side
    4,947.09x = 17,166,214.23
  5. Step 5: Solve for x
    x = 17,166,214.23/4,947.09
  6. Step 6: Final answer
    x = 3,469.96

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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.