Home / 3,723.51-5,585.40-1,258.41

Finding the Fourth Proportional to 3,723.51, 5,585.40 and 1,258.41

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Solution

The fourth proportional to 3,723.51, 5,585.40 and 1,258.41 is: 1,887.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,723.51 : 5,585.40 = 1,258.41 : x
  2. Step 2: Convert to fraction form
    3,723.51/5,585.40 = 1,258.41/x
  3. Step 3: Cross multiply
    3,723.51x = 5,585.40 × 1,258.41
  4. Step 4: Simplify right side
    3,723.51x = 7,028,723.21
  5. Step 5: Solve for x
    x = 7,028,723.21/3,723.51
  6. Step 6: Final answer
    x = 1,887.66

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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.