Home / 5,415.66-7,472.55-3,057.35

Finding the Fourth Proportional to 5,415.66, 7,472.55 and 3,057.35

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Solution

The fourth proportional to 5,415.66, 7,472.55 and 3,057.35 is: 4,218.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,415.66 : 7,472.55 = 3,057.35 : x
  2. Step 2: Convert to fraction form
    5,415.66/7,472.55 = 3,057.35/x
  3. Step 3: Cross multiply
    5,415.66x = 7,472.55 × 3,057.35
  4. Step 4: Simplify right side
    5,415.66x = 22,846,174.84
  5. Step 5: Solve for x
    x = 22,846,174.84/5,415.66
  6. Step 6: Final answer
    x = 4,218.54

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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.