Home / 3,666.11-5,058.99-2,153.43

Finding the Fourth Proportional to 3,666.11, 5,058.99 and 2,153.43

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Solution

The fourth proportional to 3,666.11, 5,058.99 and 2,153.43 is: 2,971.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,666.11 : 5,058.99 = 2,153.43 : x
  2. Step 2: Convert to fraction form
    3,666.11/5,058.99 = 2,153.43/x
  3. Step 3: Cross multiply
    3,666.11x = 5,058.99 × 2,153.43
  4. Step 4: Simplify right side
    3,666.11x = 10,894,180.84
  5. Step 5: Solve for x
    x = 10,894,180.84/3,666.11
  6. Step 6: Final answer
    x = 2,971.60

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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.