Home / 4,749.60-7,126.72-2,671.84

Finding the Fourth Proportional to 4,749.60, 7,126.72 and 2,671.84

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Solution

The fourth proportional to 4,749.60, 7,126.72 and 2,671.84 is: 4,009.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,749.60 : 7,126.72 = 2,671.84 : x
  2. Step 2: Convert to fraction form
    4,749.60/7,126.72 = 2,671.84/x
  3. Step 3: Cross multiply
    4,749.60x = 7,126.72 × 2,671.84
  4. Step 4: Simplify right side
    4,749.60x = 19,041,455.56
  5. Step 5: Solve for x
    x = 19,041,455.56/4,749.60
  6. Step 6: Final answer
    x = 4,009.07

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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.