Home / 2,555.28-3,827.88-2,395.44

Finding the Fourth Proportional to 2,555.28, 3,827.88 and 2,395.44

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Solution

The fourth proportional to 2,555.28, 3,827.88 and 2,395.44 is: 3,588.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,555.28 : 3,827.88 = 2,395.44 : x
  2. Step 2: Convert to fraction form
    2,555.28/3,827.88 = 2,395.44/x
  3. Step 3: Cross multiply
    2,555.28x = 3,827.88 × 2,395.44
  4. Step 4: Simplify right side
    2,555.28x = 9,169,456.87
  5. Step 5: Solve for x
    x = 9,169,456.87/2,555.28
  6. Step 6: Final answer
    x = 3,588.44

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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.