Home / 5,662.31-8,490.22-2,195.51

Finding the Fourth Proportional to 5,662.31, 8,490.22 and 2,195.51

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Solution

The fourth proportional to 5,662.31, 8,490.22 and 2,195.51 is: 3,292.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,662.31 : 8,490.22 = 2,195.51 : x
  2. Step 2: Convert to fraction form
    5,662.31/8,490.22 = 2,195.51/x
  3. Step 3: Cross multiply
    5,662.31x = 8,490.22 × 2,195.51
  4. Step 4: Simplify right side
    5,662.31x = 18,640,314.97
  5. Step 5: Solve for x
    x = 18,640,314.97/5,662.31
  6. Step 6: Final answer
    x = 3,292.00

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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.