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Finding the Fourth Proportional to 2,898.81, 4,346.12 and 1,254.44

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Solution

The fourth proportional to 2,898.81, 4,346.12 and 1,254.44 is: 1,880.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,898.81 : 4,346.12 = 1,254.44 : x
  2. Step 2: Convert to fraction form
    2,898.81/4,346.12 = 1,254.44/x
  3. Step 3: Cross multiply
    2,898.81x = 4,346.12 × 1,254.44
  4. Step 4: Simplify right side
    2,898.81x = 5,451,960.77
  5. Step 5: Solve for x
    x = 5,451,960.77/2,898.81
  6. Step 6: Final answer
    x = 1,880.76

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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.