Home / 7,064.11-9,748.08-4,079.76

Finding the Fourth Proportional to 7,064.11, 9,748.08 and 4,079.76

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Solution

The fourth proportional to 7,064.11, 9,748.08 and 4,079.76 is: 5,629.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,064.11 : 9,748.08 = 4,079.76 : x
  2. Step 2: Convert to fraction form
    7,064.11/9,748.08 = 4,079.76/x
  3. Step 3: Cross multiply
    7,064.11x = 9,748.08 × 4,079.76
  4. Step 4: Simplify right side
    7,064.11x = 39,769,826.86
  5. Step 5: Solve for x
    x = 39,769,826.86/7,064.11
  6. Step 6: Final answer
    x = 5,629.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.