Home / 5,019.90-6,927.72-3,030.59

Finding the Fourth Proportional to 5,019.90, 6,927.72 and 3,030.59

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Solution

The fourth proportional to 5,019.90, 6,927.72 and 3,030.59 is: 4,182.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,019.90 : 6,927.72 = 3,030.59 : x
  2. Step 2: Convert to fraction form
    5,019.90/6,927.72 = 3,030.59/x
  3. Step 3: Cross multiply
    5,019.90x = 6,927.72 × 3,030.59
  4. Step 4: Simplify right side
    5,019.90x = 20,995,078.95
  5. Step 5: Solve for x
    x = 20,995,078.95/5,019.90
  6. Step 6: Final answer
    x = 4,182.37

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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.