Home / 2,577.16-3,866.70-1,191.16

Finding the Fourth Proportional to 2,577.16, 3,866.70 and 1,191.16

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Solution

The fourth proportional to 2,577.16, 3,866.70 and 1,191.16 is: 1,787.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,577.16 : 3,866.70 = 1,191.16 : x
  2. Step 2: Convert to fraction form
    2,577.16/3,866.70 = 1,191.16/x
  3. Step 3: Cross multiply
    2,577.16x = 3,866.70 × 1,191.16
  4. Step 4: Simplify right side
    2,577.16x = 4,605,858.37
  5. Step 5: Solve for x
    x = 4,605,858.37/2,577.16
  6. Step 6: Final answer
    x = 1,787.18

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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.