Home / 5,619.42-7,754.40-3,261.78

Finding the Fourth Proportional to 5,619.42, 7,754.40 and 3,261.78

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Solution

The fourth proportional to 5,619.42, 7,754.40 and 3,261.78 is: 4,501.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.42 : 7,754.40 = 3,261.78 : x
  2. Step 2: Convert to fraction form
    5,619.42/7,754.40 = 3,261.78/x
  3. Step 3: Cross multiply
    5,619.42x = 7,754.40 × 3,261.78
  4. Step 4: Simplify right side
    5,619.42x = 25,293,146.83
  5. Step 5: Solve for x
    x = 25,293,146.83/5,619.42
  6. Step 6: Final answer
    x = 4,501.02

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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.