Home / 7,179.26-9,907.44-4,035.74

Finding the Fourth Proportional to 7,179.26, 9,907.44 and 4,035.74

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Solution

The fourth proportional to 7,179.26, 9,907.44 and 4,035.74 is: 5,569.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179.26 : 9,907.44 = 4,035.74 : x
  2. Step 2: Convert to fraction form
    7,179.26/9,907.44 = 4,035.74/x
  3. Step 3: Cross multiply
    7,179.26x = 9,907.44 × 4,035.74
  4. Step 4: Simplify right side
    7,179.26x = 39,983,851.91
  5. Step 5: Solve for x
    x = 39,983,851.91/7,179.26
  6. Step 6: Final answer
    x = 5,569.36

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1.5x scale

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.