Home / 5,053.15-6,977.78-3,168.00

Finding the Fourth Proportional to 5,053.15, 6,977.78 and 3,168.00

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Solution

The fourth proportional to 5,053.15, 6,977.78 and 3,168.00 is: 4,374.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,053.15 : 6,977.78 = 3,168.00 : x
  2. Step 2: Convert to fraction form
    5,053.15/6,977.78 = 3,168.00/x
  3. Step 3: Cross multiply
    5,053.15x = 6,977.78 × 3,168.00
  4. Step 4: Simplify right side
    5,053.15x = 22,105,606.63
  5. Step 5: Solve for x
    x = 22,105,606.63/5,053.15
  6. Step 6: Final answer
    x = 4,374.62

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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.