Home / 7,204.55-9,944.75-4,221.35

Finding the Fourth Proportional to 7,204.55, 9,944.75 and 4,221.35

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Solution

The fourth proportional to 7,204.55, 9,944.75 and 4,221.35 is: 5,826.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,204.55 : 9,944.75 = 4,221.35 : x
  2. Step 2: Convert to fraction form
    7,204.55/9,944.75 = 4,221.35/x
  3. Step 3: Cross multiply
    7,204.55x = 9,944.75 × 4,221.35
  4. Step 4: Simplify right side
    7,204.55x = 41,980,231.24
  5. Step 5: Solve for x
    x = 41,980,231.24/7,204.55
  6. Step 6: Final answer
    x = 5,826.91

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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.