Home / 5,414.90-7,472.43-3,056.99

Finding the Fourth Proportional to 5,414.90, 7,472.43 and 3,056.99

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Solution

The fourth proportional to 5,414.90, 7,472.43 and 3,056.99 is: 4,218.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,414.90 : 7,472.43 = 3,056.99 : x
  2. Step 2: Convert to fraction form
    5,414.90/7,472.43 = 3,056.99/x
  3. Step 3: Cross multiply
    5,414.90x = 7,472.43 × 3,056.99
  4. Step 4: Simplify right side
    5,414.90x = 22,843,106.42
  5. Step 5: Solve for x
    x = 22,843,106.42/5,414.90
  6. Step 6: Final answer
    x = 4,218.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.