Home / 4,305.12-5,940.72-2,391

Finding the Fourth Proportional to 4,305.12, 5,940.72 and 2,391

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Solution

The fourth proportional to 4,305.12, 5,940.72 and 2,391 is: 3,299.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,305.12 : 5,940.72 = 2,391 : x
  2. Step 2: Convert to fraction form
    4,305.12/5,940.72 = 2,391/x
  3. Step 3: Cross multiply
    4,305.12x = 5,940.72 × 2,391
  4. Step 4: Simplify right side
    4,305.12x = 14,204,261.52
  5. Step 5: Solve for x
    x = 14,204,261.52/4,305.12
  6. Step 6: Final answer
    x = 3,299.39

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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.