Home / 5,417.55-7,480.44-4,156.61

Finding the Fourth Proportional to 5,417.55, 7,480.44 and 4,156.61

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Solution

The fourth proportional to 5,417.55, 7,480.44 and 4,156.61 is: 5,739.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,417.55 : 7,480.44 = 4,156.61 : x
  2. Step 2: Convert to fraction form
    5,417.55/7,480.44 = 4,156.61/x
  3. Step 3: Cross multiply
    5,417.55x = 7,480.44 × 4,156.61
  4. Step 4: Simplify right side
    5,417.55x = 31,093,234.31
  5. Step 5: Solve for x
    x = 31,093,234.31/5,417.55
  6. Step 6: Final answer
    x = 5,739.35

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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.