Home / 5,252.51-7,879.14-1,742.36

Finding the Fourth Proportional to 5,252.51, 7,879.14 and 1,742.36

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Solution

The fourth proportional to 5,252.51, 7,879.14 and 1,742.36 is: 2,613.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,252.51 : 7,879.14 = 1,742.36 : x
  2. Step 2: Convert to fraction form
    5,252.51/7,879.14 = 1,742.36/x
  3. Step 3: Cross multiply
    5,252.51x = 7,879.14 × 1,742.36
  4. Step 4: Simplify right side
    5,252.51x = 13,728,298.37
  5. Step 5: Solve for x
    x = 13,728,298.37/5,252.51
  6. Step 6: Final answer
    x = 2,613.66

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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.