Home / 7,570.36-10,447.62-4,427.56

Finding the Fourth Proportional to 7,570.36, 10,447.62 and 4,427.56

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Solution

The fourth proportional to 7,570.36, 10,447.62 and 4,427.56 is: 6,110.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,570.36 : 10,447.62 = 4,427.56 : x
  2. Step 2: Convert to fraction form
    7,570.36/10,447.62 = 4,427.56/x
  3. Step 3: Cross multiply
    7,570.36x = 10,447.62 × 4,427.56
  4. Step 4: Simplify right side
    7,570.36x = 46,257,464.41
  5. Step 5: Solve for x
    x = 46,257,464.41/7,570.36
  6. Step 6: Final answer
    x = 6,110.34

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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.