Home / 5,551.90-8,331.93-2,630.19

Finding the Fourth Proportional to 5,551.90, 8,331.93 and 2,630.19

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Solution

The fourth proportional to 5,551.90, 8,331.93 and 2,630.19 is: 3,947.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,551.90 : 8,331.93 = 2,630.19 : x
  2. Step 2: Convert to fraction form
    5,551.90/8,331.93 = 2,630.19/x
  3. Step 3: Cross multiply
    5,551.90x = 8,331.93 × 2,630.19
  4. Step 4: Simplify right side
    5,551.90x = 21,914,558.97
  5. Step 5: Solve for x
    x = 21,914,558.97/5,551.90
  6. Step 6: Final answer
    x = 3,947.22

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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.