Home / 7,315.53-10,974.47-2,384.79

Finding the Fourth Proportional to 7,315.53, 10,974.47 and 2,384.79

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Solution

The fourth proportional to 7,315.53, 10,974.47 and 2,384.79 is: 3,577.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,315.53 : 10,974.47 = 2,384.79 : x
  2. Step 2: Convert to fraction form
    7,315.53/10,974.47 = 2,384.79/x
  3. Step 3: Cross multiply
    7,315.53x = 10,974.47 × 2,384.79
  4. Step 4: Simplify right side
    7,315.53x = 26,171,794.39
  5. Step 5: Solve for x
    x = 26,171,794.39/7,315.53
  6. Step 6: Final answer
    x = 3,577.57

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1.5x scale

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.