Home / 5,102.68-7,041.73-2,864.59

Finding the Fourth Proportional to 5,102.68, 7,041.73 and 2,864.59

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Solution

The fourth proportional to 5,102.68, 7,041.73 and 2,864.59 is: 3,953.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,102.68 : 7,041.73 = 2,864.59 : x
  2. Step 2: Convert to fraction form
    5,102.68/7,041.73 = 2,864.59/x
  3. Step 3: Cross multiply
    5,102.68x = 7,041.73 × 2,864.59
  4. Step 4: Simplify right side
    5,102.68x = 20,171,669.34
  5. Step 5: Solve for x
    x = 20,171,669.34/5,102.68
  6. Step 6: Final answer
    x = 3,953.15

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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.