Home / 1,922.07-2,652.71-1,176.15

Finding the Fourth Proportional to 1,922.07, 2,652.71 and 1,176.15

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Solution

The fourth proportional to 1,922.07, 2,652.71 and 1,176.15 is: 1,623.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922.07 : 2,652.71 = 1,176.15 : x
  2. Step 2: Convert to fraction form
    1,922.07/2,652.71 = 1,176.15/x
  3. Step 3: Cross multiply
    1,922.07x = 2,652.71 × 1,176.15
  4. Step 4: Simplify right side
    1,922.07x = 3,119,984.87
  5. Step 5: Solve for x
    x = 3,119,984.87/1,922.07
  6. Step 6: Final answer
    x = 1,623.24

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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.