Home / 3,071.23-4,238.29-1,673.98

Finding the Fourth Proportional to 3,071.23, 4,238.29 and 1,673.98

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Solution

The fourth proportional to 3,071.23, 4,238.29 and 1,673.98 is: 2,310.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071.23 : 4,238.29 = 1,673.98 : x
  2. Step 2: Convert to fraction form
    3,071.23/4,238.29 = 1,673.98/x
  3. Step 3: Cross multiply
    3,071.23x = 4,238.29 × 1,673.98
  4. Step 4: Simplify right side
    3,071.23x = 7,094,808.51
  5. Step 5: Solve for x
    x = 7,094,808.51/3,071.23
  6. Step 6: Final answer
    x = 2,310.09

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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.