Home / 2,892.07-3,990.18-1,632.97

Finding the Fourth Proportional to 2,892.07, 3,990.18 and 1,632.97

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Solution

The fourth proportional to 2,892.07, 3,990.18 and 1,632.97 is: 2,253.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,892.07 : 3,990.18 = 1,632.97 : x
  2. Step 2: Convert to fraction form
    2,892.07/3,990.18 = 1,632.97/x
  3. Step 3: Cross multiply
    2,892.07x = 3,990.18 × 1,632.97
  4. Step 4: Simplify right side
    2,892.07x = 6,515,844.23
  5. Step 5: Solve for x
    x = 6,515,844.23/2,892.07
  6. Step 6: Final answer
    x = 2,253.00

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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.