Home / 4,472.48-6,688.56-3,418.58

Finding the Fourth Proportional to 4,472.48, 6,688.56 and 3,418.58

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Solution

The fourth proportional to 4,472.48, 6,688.56 and 3,418.58 is: 5,112.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,472.48 : 6,688.56 = 3,418.58 : x
  2. Step 2: Convert to fraction form
    4,472.48/6,688.56 = 3,418.58/x
  3. Step 3: Cross multiply
    4,472.48x = 6,688.56 × 3,418.58
  4. Step 4: Simplify right side
    4,472.48x = 22,865,377.44
  5. Step 5: Solve for x
    x = 22,865,377.44/4,472.48
  6. Step 6: Final answer
    x = 5,112.46

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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.