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Finding the Fourth Proportional to 3,394.05, 5,089.13 and 1,053.41

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Solution

The fourth proportional to 3,394.05, 5,089.13 and 1,053.41 is: 1,579.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,394.05 : 5,089.13 = 1,053.41 : x
  2. Step 2: Convert to fraction form
    3,394.05/5,089.13 = 1,053.41/x
  3. Step 3: Cross multiply
    3,394.05x = 5,089.13 × 1,053.41
  4. Step 4: Simplify right side
    3,394.05x = 5,360,913.67
  5. Step 5: Solve for x
    x = 5,360,913.67/3,394.05
  6. Step 6: Final answer
    x = 1,579.50

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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.