Home / 2,887.90-4,324.41-2,647.33

Finding the Fourth Proportional to 2,887.90, 4,324.41 and 2,647.33

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Solution

The fourth proportional to 2,887.90, 4,324.41 and 2,647.33 is: 3,964.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887.90 : 4,324.41 = 2,647.33 : x
  2. Step 2: Convert to fraction form
    2,887.90/4,324.41 = 2,647.33/x
  3. Step 3: Cross multiply
    2,887.90x = 4,324.41 × 2,647.33
  4. Step 4: Simplify right side
    2,887.90x = 11,448,140.33
  5. Step 5: Solve for x
    x = 11,448,140.33/2,887.90
  6. Step 6: Final answer
    x = 3,964.17

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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.