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Finding the Fourth Proportional to 3,663.88, 5,058.30 and 2,406.94

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Solution

The fourth proportional to 3,663.88, 5,058.30 and 2,406.94 is: 3,322.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,663.88 : 5,058.30 = 2,406.94 : x
  2. Step 2: Convert to fraction form
    3,663.88/5,058.30 = 2,406.94/x
  3. Step 3: Cross multiply
    3,663.88x = 5,058.30 × 2,406.94
  4. Step 4: Simplify right side
    3,663.88x = 12,175,024.60
  5. Step 5: Solve for x
    x = 12,175,024.60/3,663.88
  6. Step 6: Final answer
    x = 3,322.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.