Home / 2,546.10-3,512.70-2,015.15

Finding the Fourth Proportional to 2,546.10, 3,512.70 and 2,015.15

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Solution

The fourth proportional to 2,546.10, 3,512.70 and 2,015.15 is: 2,780.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,546.10 : 3,512.70 = 2,015.15 : x
  2. Step 2: Convert to fraction form
    2,546.10/3,512.70 = 2,015.15/x
  3. Step 3: Cross multiply
    2,546.10x = 3,512.70 × 2,015.15
  4. Step 4: Simplify right side
    2,546.10x = 7,078,599.84
  5. Step 5: Solve for x
    x = 7,078,599.84/2,546.10
  6. Step 6: Final answer
    x = 2,780.17

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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.