Home / 5,698.70-8,548.96-2,188.56

Finding the Fourth Proportional to 5,698.70, 8,548.96 and 2,188.56

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Solution

The fourth proportional to 5,698.70, 8,548.96 and 2,188.56 is: 3,283.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,698.70 : 8,548.96 = 2,188.56 : x
  2. Step 2: Convert to fraction form
    5,698.70/8,548.96 = 2,188.56/x
  3. Step 3: Cross multiply
    5,698.70x = 8,548.96 × 2,188.56
  4. Step 4: Simplify right side
    5,698.70x = 18,709,911.90
  5. Step 5: Solve for x
    x = 18,709,911.90/5,698.70
  6. Step 6: Final answer
    x = 3,283.19

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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.