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Finding the Fourth Proportional to 2,541.74, 3,812.91 and 897.94

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Solution

The fourth proportional to 2,541.74, 3,812.91 and 897.94 is: 1,347.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,541.74 : 3,812.91 = 897.94 : x
  2. Step 2: Convert to fraction form
    2,541.74/3,812.91 = 897.94/x
  3. Step 3: Cross multiply
    2,541.74x = 3,812.91 × 897.94
  4. Step 4: Simplify right side
    2,541.74x = 3,423,764.41
  5. Step 5: Solve for x
    x = 3,423,764.41/2,541.74
  6. Step 6: Final answer
    x = 1,347.02

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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.