Home / 3,092.13-4,638.30-900.69

Finding the Fourth Proportional to 3,092.13, 4,638.30 and 900.69

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Solution

The fourth proportional to 3,092.13, 4,638.30 and 900.69 is: 1,351.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,092.13 : 4,638.30 = 900.69 : x
  2. Step 2: Convert to fraction form
    3,092.13/4,638.30 = 900.69/x
  3. Step 3: Cross multiply
    3,092.13x = 4,638.30 × 900.69
  4. Step 4: Simplify right side
    3,092.13x = 4,177,670.43
  5. Step 5: Solve for x
    x = 4,177,670.43/3,092.13
  6. Step 6: Final answer
    x = 1,351.07

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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.