Home / 7,427.85-10,251.36-4,284.06

Finding the Fourth Proportional to 7,427.85, 10,251.36 and 4,284.06

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Solution

The fourth proportional to 7,427.85, 10,251.36 and 4,284.06 is: 5,912.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427.85 : 10,251.36 = 4,284.06 : x
  2. Step 2: Convert to fraction form
    7,427.85/10,251.36 = 4,284.06/x
  3. Step 3: Cross multiply
    7,427.85x = 10,251.36 × 4,284.06
  4. Step 4: Simplify right side
    7,427.85x = 43,917,441.32
  5. Step 5: Solve for x
    x = 43,917,441.32/7,427.85
  6. Step 6: Final answer
    x = 5,912.54

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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.