Home / 4,180.36-5,776.52-2,785

Finding the Fourth Proportional to 4,180.36, 5,776.52 and 2,785

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Solution

The fourth proportional to 4,180.36, 5,776.52 and 2,785 is: 3,848.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,180.36 : 5,776.52 = 2,785 : x
  2. Step 2: Convert to fraction form
    4,180.36/5,776.52 = 2,785/x
  3. Step 3: Cross multiply
    4,180.36x = 5,776.52 × 2,785
  4. Step 4: Simplify right side
    4,180.36x = 16,087,608.20
  5. Step 5: Solve for x
    x = 16,087,608.20/4,180.36
  6. Step 6: Final answer
    x = 3,848.38

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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.