Home / 1,176.32-1,765.70-1,088.84

Finding the Fourth Proportional to 1,176.32, 1,765.70 and 1,088.84

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Solution

The fourth proportional to 1,176.32, 1,765.70 and 1,088.84 is: 1,634.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176.32 : 1,765.70 = 1,088.84 : x
  2. Step 2: Convert to fraction form
    1,176.32/1,765.70 = 1,088.84/x
  3. Step 3: Cross multiply
    1,176.32x = 1,765.70 × 1,088.84
  4. Step 4: Simplify right side
    1,176.32x = 1,922,567.84
  5. Step 5: Solve for x
    x = 1,922,567.84/1,176.32
  6. Step 6: Final answer
    x = 1,634.39

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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.