Home / 3,170.98-4,375.65-2,509.48

Finding the Fourth Proportional to 3,170.98, 4,375.65 and 2,509.48

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Solution

The fourth proportional to 3,170.98, 4,375.65 and 2,509.48 is: 3,462.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.98 : 4,375.65 = 2,509.48 : x
  2. Step 2: Convert to fraction form
    3,170.98/4,375.65 = 2,509.48/x
  3. Step 3: Cross multiply
    3,170.98x = 4,375.65 × 2,509.48
  4. Step 4: Simplify right side
    3,170.98x = 10,980,606.16
  5. Step 5: Solve for x
    x = 10,980,606.16/3,170.98
  6. Step 6: Final answer
    x = 3,462.84

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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.