Home / 5,476.19-8,214.45-2,144.30

Finding the Fourth Proportional to 5,476.19, 8,214.45 and 2,144.30

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Solution

The fourth proportional to 5,476.19, 8,214.45 and 2,144.30 is: 3,216.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,476.19 : 8,214.45 = 2,144.30 : x
  2. Step 2: Convert to fraction form
    5,476.19/8,214.45 = 2,144.30/x
  3. Step 3: Cross multiply
    5,476.19x = 8,214.45 × 2,144.30
  4. Step 4: Simplify right side
    5,476.19x = 17,614,193.34
  5. Step 5: Solve for x
    x = 17,614,193.34/5,476.19
  6. Step 6: Final answer
    x = 3,216.51

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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.