Home / 7,577.52-10,456.94-4,220.37

Finding the Fourth Proportional to 7,577.52, 10,456.94 and 4,220.37

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Solution

The fourth proportional to 7,577.52, 10,456.94 and 4,220.37 is: 5,824.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,577.52 : 10,456.94 = 4,220.37 : x
  2. Step 2: Convert to fraction form
    7,577.52/10,456.94 = 4,220.37/x
  3. Step 3: Cross multiply
    7,577.52x = 10,456.94 × 4,220.37
  4. Step 4: Simplify right side
    7,577.52x = 44,132,155.87
  5. Step 5: Solve for x
    x = 44,132,155.87/7,577.52
  6. Step 6: Final answer
    x = 5,824.09

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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.