Home / 1,840.87-2,539.74-1,177.66

Finding the Fourth Proportional to 1,840.87, 2,539.74 and 1,177.66

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Solution

The fourth proportional to 1,840.87, 2,539.74 and 1,177.66 is: 1,624.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840.87 : 2,539.74 = 1,177.66 : x
  2. Step 2: Convert to fraction form
    1,840.87/2,539.74 = 1,177.66/x
  3. Step 3: Cross multiply
    1,840.87x = 2,539.74 × 1,177.66
  4. Step 4: Simplify right side
    1,840.87x = 2,990,950.21
  5. Step 5: Solve for x
    x = 2,990,950.21/1,840.87
  6. Step 6: Final answer
    x = 1,624.75

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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.