Home / 4,515.12-6,715.94-4,143.33

Finding the Fourth Proportional to 4,515.12, 6,715.94 and 4,143.33

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Solution

The fourth proportional to 4,515.12, 6,715.94 and 4,143.33 is: 6,162.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,515.12 : 6,715.94 = 4,143.33 : x
  2. Step 2: Convert to fraction form
    4,515.12/6,715.94 = 4,143.33/x
  3. Step 3: Cross multiply
    4,515.12x = 6,715.94 × 4,143.33
  4. Step 4: Simplify right side
    4,515.12x = 27,826,334.96
  5. Step 5: Solve for x
    x = 27,826,334.96/4,515.12
  6. Step 6: Final answer
    x = 6,162.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.