Home / 5,055.42-6,977.21-2,959.59

Finding the Fourth Proportional to 5,055.42, 6,977.21 and 2,959.59

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Solution

The fourth proportional to 5,055.42, 6,977.21 and 2,959.59 is: 4,084.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055.42 : 6,977.21 = 2,959.59 : x
  2. Step 2: Convert to fraction form
    5,055.42/6,977.21 = 2,959.59/x
  3. Step 3: Cross multiply
    5,055.42x = 6,977.21 × 2,959.59
  4. Step 4: Simplify right side
    5,055.42x = 20,649,666.15
  5. Step 5: Solve for x
    x = 20,649,666.15/5,055.42
  6. Step 6: Final answer
    x = 4,084.66

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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.