Home / 4,065.42-5,611.77-3,177.66

Finding the Fourth Proportional to 4,065.42, 5,611.77 and 3,177.66

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Solution

The fourth proportional to 4,065.42, 5,611.77 and 3,177.66 is: 4,386.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,065.42 : 5,611.77 = 3,177.66 : x
  2. Step 2: Convert to fraction form
    4,065.42/5,611.77 = 3,177.66/x
  3. Step 3: Cross multiply
    4,065.42x = 5,611.77 × 3,177.66
  4. Step 4: Simplify right side
    4,065.42x = 17,832,297.06
  5. Step 5: Solve for x
    x = 17,832,297.06/4,065.42
  6. Step 6: Final answer
    x = 4,386.34

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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.