Home / 7,558.97-10,427.75-4,907.21

Finding the Fourth Proportional to 7,558.97, 10,427.75 and 4,907.21

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Solution

The fourth proportional to 7,558.97, 10,427.75 and 4,907.21 is: 6,769.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,558.97 : 10,427.75 = 4,907.21 : x
  2. Step 2: Convert to fraction form
    7,558.97/10,427.75 = 4,907.21/x
  3. Step 3: Cross multiply
    7,558.97x = 10,427.75 × 4,907.21
  4. Step 4: Simplify right side
    7,558.97x = 51,171,134.54
  5. Step 5: Solve for x
    x = 51,171,134.54/7,558.97
  6. Step 6: Final answer
    x = 6,769.59

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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.