Home / 5,005.70-7,511.54-2,667.43

Finding the Fourth Proportional to 5,005.70, 7,511.54 and 2,667.43

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Solution

The fourth proportional to 5,005.70, 7,511.54 and 2,667.43 is: 4,002.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,005.70 : 7,511.54 = 2,667.43 : x
  2. Step 2: Convert to fraction form
    5,005.70/7,511.54 = 2,667.43/x
  3. Step 3: Cross multiply
    5,005.70x = 7,511.54 × 2,667.43
  4. Step 4: Simplify right side
    5,005.70x = 20,036,503.19
  5. Step 5: Solve for x
    x = 20,036,503.19/5,005.70
  6. Step 6: Final answer
    x = 4,002.74

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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.