Home / 7,063.37-9,748.28-3,919.76

Finding the Fourth Proportional to 7,063.37, 9,748.28 and 3,919.76

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Solution

The fourth proportional to 7,063.37, 9,748.28 and 3,919.76 is: 5,409.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,063.37 : 9,748.28 = 3,919.76 : x
  2. Step 2: Convert to fraction form
    7,063.37/9,748.28 = 3,919.76/x
  3. Step 3: Cross multiply
    7,063.37x = 9,748.28 × 3,919.76
  4. Step 4: Simplify right side
    7,063.37x = 38,210,918.01
  5. Step 5: Solve for x
    x = 38,210,918.01/7,063.37
  6. Step 6: Final answer
    x = 5,409.73

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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.