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Finding the Fourth Proportional to 3,491.41, 5,237.13 and 894.34

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Solution

The fourth proportional to 3,491.41, 5,237.13 and 894.34 is: 1,341.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491.41 : 5,237.13 = 894.34 : x
  2. Step 2: Convert to fraction form
    3,491.41/5,237.13 = 894.34/x
  3. Step 3: Cross multiply
    3,491.41x = 5,237.13 × 894.34
  4. Step 4: Simplify right side
    3,491.41x = 4,683,774.84
  5. Step 5: Solve for x
    x = 4,683,774.84/3,491.41
  6. Step 6: Final answer
    x = 1,341.51

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Similar ratio
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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.