Home / 4,279.84-5,905.91-2,511.41

Finding the Fourth Proportional to 4,279.84, 5,905.91 and 2,511.41

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Solution

The fourth proportional to 4,279.84, 5,905.91 and 2,511.41 is: 3,465.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.84 : 5,905.91 = 2,511.41 : x
  2. Step 2: Convert to fraction form
    4,279.84/5,905.91 = 2,511.41/x
  3. Step 3: Cross multiply
    4,279.84x = 5,905.91 × 2,511.41
  4. Step 4: Simplify right side
    4,279.84x = 14,832,138.18
  5. Step 5: Solve for x
    x = 14,832,138.18/4,279.84
  6. Step 6: Final answer
    x = 3,465.58

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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.