Home / 3,131.77-4,316.88-2,467.57

Finding the Fourth Proportional to 3,131.77, 4,316.88 and 2,467.57

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Solution

The fourth proportional to 3,131.77, 4,316.88 and 2,467.57 is: 3,401.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131.77 : 4,316.88 = 2,467.57 : x
  2. Step 2: Convert to fraction form
    3,131.77/4,316.88 = 2,467.57/x
  3. Step 3: Cross multiply
    3,131.77x = 4,316.88 × 2,467.57
  4. Step 4: Simplify right side
    3,131.77x = 10,652,203.58
  5. Step 5: Solve for x
    x = 10,652,203.58/3,131.77
  6. Step 6: Final answer
    x = 3,401.34

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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.