Home / 1,955.21-2,934.32-1,176.08

Finding the Fourth Proportional to 1,955.21, 2,934.32 and 1,176.08

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Solution

The fourth proportional to 1,955.21, 2,934.32 and 1,176.08 is: 1,765.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,955.21 : 2,934.32 = 1,176.08 : x
  2. Step 2: Convert to fraction form
    1,955.21/2,934.32 = 1,176.08/x
  3. Step 3: Cross multiply
    1,955.21x = 2,934.32 × 1,176.08
  4. Step 4: Simplify right side
    1,955.21x = 3,450,974.51
  5. Step 5: Solve for x
    x = 3,450,974.51/1,955.21
  6. Step 6: Final answer
    x = 1,765.02

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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.