Home / 4,529.12-6,791.08-1,408.32

Finding the Fourth Proportional to 4,529.12, 6,791.08 and 1,408.32

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Solution

The fourth proportional to 4,529.12, 6,791.08 and 1,408.32 is: 2,111.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,529.12 : 6,791.08 = 1,408.32 : x
  2. Step 2: Convert to fraction form
    4,529.12/6,791.08 = 1,408.32/x
  3. Step 3: Cross multiply
    4,529.12x = 6,791.08 × 1,408.32
  4. Step 4: Simplify right side
    4,529.12x = 9,564,013.79
  5. Step 5: Solve for x
    x = 9,564,013.79/4,529.12
  6. Step 6: Final answer
    x = 2,111.67

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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.