Home / 5,142.15-7,096.13-2,904.01

Finding the Fourth Proportional to 5,142.15, 7,096.13 and 2,904.01

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Solution

The fourth proportional to 5,142.15, 7,096.13 and 2,904.01 is: 4,007.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,142.15 : 7,096.13 = 2,904.01 : x
  2. Step 2: Convert to fraction form
    5,142.15/7,096.13 = 2,904.01/x
  3. Step 3: Cross multiply
    5,142.15x = 7,096.13 × 2,904.01
  4. Step 4: Simplify right side
    5,142.15x = 20,607,232.48
  5. Step 5: Solve for x
    x = 20,607,232.48/5,142.15
  6. Step 6: Final answer
    x = 4,007.51

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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.