Home / 3,156.08-4,355.24-1,896.39

Finding the Fourth Proportional to 3,156.08, 4,355.24 and 1,896.39

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Solution

The fourth proportional to 3,156.08, 4,355.24 and 1,896.39 is: 2,616.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156.08 : 4,355.24 = 1,896.39 : x
  2. Step 2: Convert to fraction form
    3,156.08/4,355.24 = 1,896.39/x
  3. Step 3: Cross multiply
    3,156.08x = 4,355.24 × 1,896.39
  4. Step 4: Simplify right side
    3,156.08x = 8,259,224.10
  5. Step 5: Solve for x
    x = 8,259,224.10/3,156.08
  6. Step 6: Final answer
    x = 2,616.93

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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.