Home / 5,605.56-7,735.53-3,215.94

Finding the Fourth Proportional to 5,605.56, 7,735.53 and 3,215.94

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Solution

The fourth proportional to 5,605.56, 7,735.53 and 3,215.94 is: 4,437.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,605.56 : 7,735.53 = 3,215.94 : x
  2. Step 2: Convert to fraction form
    5,605.56/7,735.53 = 3,215.94/x
  3. Step 3: Cross multiply
    5,605.56x = 7,735.53 × 3,215.94
  4. Step 4: Simplify right side
    5,605.56x = 24,876,959.28
  5. Step 5: Solve for x
    x = 24,876,959.28/5,605.56
  6. Step 6: Final answer
    x = 4,437.90

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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.