Home / 5,616.52-8,424.54-1,919.08

Finding the Fourth Proportional to 5,616.52, 8,424.54 and 1,919.08

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Solution

The fourth proportional to 5,616.52, 8,424.54 and 1,919.08 is: 2,878.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,616.52 : 8,424.54 = 1,919.08 : x
  2. Step 2: Convert to fraction form
    5,616.52/8,424.54 = 1,919.08/x
  3. Step 3: Cross multiply
    5,616.52x = 8,424.54 × 1,919.08
  4. Step 4: Simplify right side
    5,616.52x = 16,167,366.22
  5. Step 5: Solve for x
    x = 16,167,366.22/5,616.52
  6. Step 6: Final answer
    x = 2,878.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.