Home / 3,111.70-4,671.60-2,496.10

Finding the Fourth Proportional to 3,111.70, 4,671.60 and 2,496.10

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Solution

The fourth proportional to 3,111.70, 4,671.60 and 2,496.10 is: 3,747.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111.70 : 4,671.60 = 2,496.10 : x
  2. Step 2: Convert to fraction form
    3,111.70/4,671.60 = 2,496.10/x
  3. Step 3: Cross multiply
    3,111.70x = 4,671.60 × 2,496.10
  4. Step 4: Simplify right side
    3,111.70x = 11,660,780.76
  5. Step 5: Solve for x
    x = 11,660,780.76/3,111.70
  6. Step 6: Final answer
    x = 3,747.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.