Home / 5,615.39-7,749.96-4,669.56

Finding the Fourth Proportional to 5,615.39, 7,749.96 and 4,669.56

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Solution

The fourth proportional to 5,615.39, 7,749.96 and 4,669.56 is: 6,444.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,615.39 : 7,749.96 = 4,669.56 : x
  2. Step 2: Convert to fraction form
    5,615.39/7,749.96 = 4,669.56/x
  3. Step 3: Cross multiply
    5,615.39x = 7,749.96 × 4,669.56
  4. Step 4: Simplify right side
    5,615.39x = 36,188,841.12
  5. Step 5: Solve for x
    x = 36,188,841.12/5,615.39
  6. Step 6: Final answer
    x = 6,444.58

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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.