Home / 2,531.32-3,496.98-2,511.88

Finding the Fourth Proportional to 2,531.32, 3,496.98 and 2,511.88

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Solution

The fourth proportional to 2,531.32, 3,496.98 and 2,511.88 is: 3,470.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,531.32 : 3,496.98 = 2,511.88 : x
  2. Step 2: Convert to fraction form
    2,531.32/3,496.98 = 2,511.88/x
  3. Step 3: Cross multiply
    2,531.32x = 3,496.98 × 2,511.88
  4. Step 4: Simplify right side
    2,531.32x = 8,783,994.12
  5. Step 5: Solve for x
    x = 8,783,994.12/2,531.32
  6. Step 6: Final answer
    x = 3,470.12

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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.