Home / 7,320.84-10,101.78-4,134.36

Finding the Fourth Proportional to 7,320.84, 10,101.78 and 4,134.36

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Solution

The fourth proportional to 7,320.84, 10,101.78 and 4,134.36 is: 5,704.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,320.84 : 10,101.78 = 4,134.36 : x
  2. Step 2: Convert to fraction form
    7,320.84/10,101.78 = 4,134.36/x
  3. Step 3: Cross multiply
    7,320.84x = 10,101.78 × 4,134.36
  4. Step 4: Simplify right side
    7,320.84x = 41,764,395.16
  5. Step 5: Solve for x
    x = 41,764,395.16/7,320.84
  6. Step 6: Final answer
    x = 5,704.86

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1.5x scale

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.