Home / 4,055.45-5,591.72-2,860.63

Finding the Fourth Proportional to 4,055.45, 5,591.72 and 2,860.63

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Solution

The fourth proportional to 4,055.45, 5,591.72 and 2,860.63 is: 3,944.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,055.45 : 5,591.72 = 2,860.63 : x
  2. Step 2: Convert to fraction form
    4,055.45/5,591.72 = 2,860.63/x
  3. Step 3: Cross multiply
    4,055.45x = 5,591.72 × 2,860.63
  4. Step 4: Simplify right side
    4,055.45x = 15,995,841.98
  5. Step 5: Solve for x
    x = 15,995,841.98/4,055.45
  6. Step 6: Final answer
    x = 3,944.28

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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.