Home / 1,601.10-2,209.48-892.89

Finding the Fourth Proportional to 1,601.10, 2,209.48 and 892.89

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Solution

The fourth proportional to 1,601.10, 2,209.48 and 892.89 is: 1,232.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,601.10 : 2,209.48 = 892.89 : x
  2. Step 2: Convert to fraction form
    1,601.10/2,209.48 = 892.89/x
  3. Step 3: Cross multiply
    1,601.10x = 2,209.48 × 892.89
  4. Step 4: Simplify right side
    1,601.10x = 1,972,822.60
  5. Step 5: Solve for x
    x = 1,972,822.60/1,601.10
  6. Step 6: Final answer
    x = 1,232.17

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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.