Home / 4,749.59-7,121.63-2,281.04

Finding the Fourth Proportional to 4,749.59, 7,121.63 and 2,281.04

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Solution

The fourth proportional to 4,749.59, 7,121.63 and 2,281.04 is: 3,420.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,749.59 : 7,121.63 = 2,281.04 : x
  2. Step 2: Convert to fraction form
    4,749.59/7,121.63 = 2,281.04/x
  3. Step 3: Cross multiply
    4,749.59x = 7,121.63 × 2,281.04
  4. Step 4: Simplify right side
    4,749.59x = 16,244,675.88
  5. Step 5: Solve for x
    x = 16,244,675.88/4,749.59
  6. Step 6: Final answer
    x = 3,420.23

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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.