Home / 1,840.32-2,756.84-1,191.51

Finding the Fourth Proportional to 1,840.32, 2,756.84 and 1,191.51

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Solution

The fourth proportional to 1,840.32, 2,756.84 and 1,191.51 is: 1,784.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840.32 : 2,756.84 = 1,191.51 : x
  2. Step 2: Convert to fraction form
    1,840.32/2,756.84 = 1,191.51/x
  3. Step 3: Cross multiply
    1,840.32x = 2,756.84 × 1,191.51
  4. Step 4: Simplify right side
    1,840.32x = 3,284,796.47
  5. Step 5: Solve for x
    x = 3,284,796.47/1,840.32
  6. Step 6: Final answer
    x = 1,784.91

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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.