Home / 1,840.87-2,541.23-1,211.73

Finding the Fourth Proportional to 1,840.87, 2,541.23 and 1,211.73

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Solution

The fourth proportional to 1,840.87, 2,541.23 and 1,211.73 is: 1,672.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840.87 : 2,541.23 = 1,211.73 : x
  2. Step 2: Convert to fraction form
    1,840.87/2,541.23 = 1,211.73/x
  3. Step 3: Cross multiply
    1,840.87x = 2,541.23 × 1,211.73
  4. Step 4: Simplify right side
    1,840.87x = 3,079,284.63
  5. Step 5: Solve for x
    x = 3,079,284.63/1,840.87
  6. Step 6: Final answer
    x = 1,672.73

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1.5x scale

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.