Home / 5,104.42-7,040.47-3,116.07

Finding the Fourth Proportional to 5,104.42, 7,040.47 and 3,116.07

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Solution

The fourth proportional to 5,104.42, 7,040.47 and 3,116.07 is: 4,297.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,104.42 : 7,040.47 = 3,116.07 : x
  2. Step 2: Convert to fraction form
    5,104.42/7,040.47 = 3,116.07/x
  3. Step 3: Cross multiply
    5,104.42x = 7,040.47 × 3,116.07
  4. Step 4: Simplify right side
    5,104.42x = 21,938,595.41
  5. Step 5: Solve for x
    x = 21,938,595.41/5,104.42
  6. Step 6: Final answer
    x = 4,297.96

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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.