Home / 5,156.81-7,112-3,476.01

Finding the Fourth Proportional to 5,156.81, 7,112 and 3,476.01

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Solution

The fourth proportional to 5,156.81, 7,112 and 3,476.01 is: 4,793.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,156.81 : 7,112 = 3,476.01 : x
  2. Step 2: Convert to fraction form
    5,156.81/7,112 = 3,476.01/x
  3. Step 3: Cross multiply
    5,156.81x = 7,112 × 3,476.01
  4. Step 4: Simplify right side
    5,156.81x = 24,721,383.12
  5. Step 5: Solve for x
    x = 24,721,383.12/5,156.81
  6. Step 6: Final answer
    x = 4,793.93

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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.