Home / 5,082.99-7,019.49-3,315.57

Finding the Fourth Proportional to 5,082.99, 7,019.49 and 3,315.57

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Solution

The fourth proportional to 5,082.99, 7,019.49 and 3,315.57 is: 4,578.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,082.99 : 7,019.49 = 3,315.57 : x
  2. Step 2: Convert to fraction form
    5,082.99/7,019.49 = 3,315.57/x
  3. Step 3: Cross multiply
    5,082.99x = 7,019.49 × 3,315.57
  4. Step 4: Simplify right side
    5,082.99x = 23,273,610.46
  5. Step 5: Solve for x
    x = 23,273,610.46/5,082.99
  6. Step 6: Final answer
    x = 4,578.72

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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.