Home / 1,632.15-2,252.52-1,213.02

Finding the Fourth Proportional to 1,632.15, 2,252.52 and 1,213.02

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Solution

The fourth proportional to 1,632.15, 2,252.52 and 1,213.02 is: 1,674.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,632.15 : 2,252.52 = 1,213.02 : x
  2. Step 2: Convert to fraction form
    1,632.15/2,252.52 = 1,213.02/x
  3. Step 3: Cross multiply
    1,632.15x = 2,252.52 × 1,213.02
  4. Step 4: Simplify right side
    1,632.15x = 2,732,351.81
  5. Step 5: Solve for x
    x = 2,732,351.81/1,632.15
  6. Step 6: Final answer
    x = 1,674.08

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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.