Home / 5,726.34-7,902.66-3,208.56

Finding the Fourth Proportional to 5,726.34, 7,902.66 and 3,208.56

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Solution

The fourth proportional to 5,726.34, 7,902.66 and 3,208.56 is: 4,427.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,726.34 : 7,902.66 = 3,208.56 : x
  2. Step 2: Convert to fraction form
    5,726.34/7,902.66 = 3,208.56/x
  3. Step 3: Cross multiply
    5,726.34x = 7,902.66 × 3,208.56
  4. Step 4: Simplify right side
    5,726.34x = 25,356,158.77
  5. Step 5: Solve for x
    x = 25,356,158.77/5,726.34
  6. Step 6: Final answer
    x = 4,427.99

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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.