Home / 5,007.04-6,910.32-3,143.68

Finding the Fourth Proportional to 5,007.04, 6,910.32 and 3,143.68

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Solution

The fourth proportional to 5,007.04, 6,910.32 and 3,143.68 is: 4,338.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007.04 : 6,910.32 = 3,143.68 : x
  2. Step 2: Convert to fraction form
    5,007.04/6,910.32 = 3,143.68/x
  3. Step 3: Cross multiply
    5,007.04x = 6,910.32 × 3,143.68
  4. Step 4: Simplify right side
    5,007.04x = 21,723,834.78
  5. Step 5: Solve for x
    x = 21,723,834.78/5,007.04
  6. Step 6: Final answer
    x = 4,338.66

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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.