Home / 5,539.46-7,647.01-3,415.37

Finding the Fourth Proportional to 5,539.46, 7,647.01 and 3,415.37

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Solution

The fourth proportional to 5,539.46, 7,647.01 and 3,415.37 is: 4,714.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,539.46 : 7,647.01 = 3,415.37 : x
  2. Step 2: Convert to fraction form
    5,539.46/7,647.01 = 3,415.37/x
  3. Step 3: Cross multiply
    5,539.46x = 7,647.01 × 3,415.37
  4. Step 4: Simplify right side
    5,539.46x = 26,117,321.77
  5. Step 5: Solve for x
    x = 26,117,321.77/5,539.46
  6. Step 6: Final answer
    x = 4,714.78

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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.