Home / 5,142.69-7,094.88-2,903.97

Finding the Fourth Proportional to 5,142.69, 7,094.88 and 2,903.97

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Solution

The fourth proportional to 5,142.69, 7,094.88 and 2,903.97 is: 4,006.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,142.69 : 7,094.88 = 2,903.97 : x
  2. Step 2: Convert to fraction form
    5,142.69/7,094.88 = 2,903.97/x
  3. Step 3: Cross multiply
    5,142.69x = 7,094.88 × 2,903.97
  4. Step 4: Simplify right side
    5,142.69x = 20,603,318.67
  5. Step 5: Solve for x
    x = 20,603,318.67/5,142.69
  6. Step 6: Final answer
    x = 4,006.33

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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.