Home / 5,905.99-8,153.66-3,919.24

Finding the Fourth Proportional to 5,905.99, 8,153.66 and 3,919.24

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Solution

The fourth proportional to 5,905.99, 8,153.66 and 3,919.24 is: 5,410.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,905.99 : 8,153.66 = 3,919.24 : x
  2. Step 2: Convert to fraction form
    5,905.99/8,153.66 = 3,919.24/x
  3. Step 3: Cross multiply
    5,905.99x = 8,153.66 × 3,919.24
  4. Step 4: Simplify right side
    5,905.99x = 31,956,150.42
  5. Step 5: Solve for x
    x = 31,956,150.42/5,905.99
  6. Step 6: Final answer
    x = 5,410.80

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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.