Home / 1,840.51-2,540.33-1,251.24

Finding the Fourth Proportional to 1,840.51, 2,540.33 and 1,251.24

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Solution

The fourth proportional to 1,840.51, 2,540.33 and 1,251.24 is: 1,727.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840.51 : 2,540.33 = 1,251.24 : x
  2. Step 2: Convert to fraction form
    1,840.51/2,540.33 = 1,251.24/x
  3. Step 3: Cross multiply
    1,840.51x = 2,540.33 × 1,251.24
  4. Step 4: Simplify right side
    1,840.51x = 3,178,562.51
  5. Step 5: Solve for x
    x = 3,178,562.51/1,840.51
  6. Step 6: Final answer
    x = 1,727.00

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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.