Home / 5,981.15-8,249.77-5,183.06

Finding the Fourth Proportional to 5,981.15, 8,249.77 and 5,183.06

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Solution

The fourth proportional to 5,981.15, 8,249.77 and 5,183.06 is: 7,148.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,981.15 : 8,249.77 = 5,183.06 : x
  2. Step 2: Convert to fraction form
    5,981.15/8,249.77 = 5,183.06/x
  3. Step 3: Cross multiply
    5,981.15x = 8,249.77 × 5,183.06
  4. Step 4: Simplify right side
    5,981.15x = 42,759,089.26
  5. Step 5: Solve for x
    x = 42,759,089.26/5,981.15
  6. Step 6: Final answer
    x = 7,148.98

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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.