Home / 7,651.63-11,475.93-2,103.54

Finding the Fourth Proportional to 7,651.63, 11,475.93 and 2,103.54

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Solution

The fourth proportional to 7,651.63, 11,475.93 and 2,103.54 is: 3,154.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,651.63 : 11,475.93 = 2,103.54 : x
  2. Step 2: Convert to fraction form
    7,651.63/11,475.93 = 2,103.54/x
  3. Step 3: Cross multiply
    7,651.63x = 11,475.93 × 2,103.54
  4. Step 4: Simplify right side
    7,651.63x = 24,140,077.79
  5. Step 5: Solve for x
    x = 24,140,077.79/7,651.63
  6. Step 6: Final answer
    x = 3,154.89

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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.