Home / 5,079.71-7,009.37-2,955.82

Finding the Fourth Proportional to 5,079.71, 7,009.37 and 2,955.82

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Solution

The fourth proportional to 5,079.71, 7,009.37 and 2,955.82 is: 4,078.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079.71 : 7,009.37 = 2,955.82 : x
  2. Step 2: Convert to fraction form
    5,079.71/7,009.37 = 2,955.82/x
  3. Step 3: Cross multiply
    5,079.71x = 7,009.37 × 2,955.82
  4. Step 4: Simplify right side
    5,079.71x = 20,718,386.21
  5. Step 5: Solve for x
    x = 20,718,386.21/5,079.71
  6. Step 6: Final answer
    x = 4,078.66

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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.