Home / 5,106.45-7,654.26-2,910.45

Finding the Fourth Proportional to 5,106.45, 7,654.26 and 2,910.45

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Solution

The fourth proportional to 5,106.45, 7,654.26 and 2,910.45 is: 4,362.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,106.45 : 7,654.26 = 2,910.45 : x
  2. Step 2: Convert to fraction form
    5,106.45/7,654.26 = 2,910.45/x
  3. Step 3: Cross multiply
    5,106.45x = 7,654.26 × 2,910.45
  4. Step 4: Simplify right side
    5,106.45x = 22,277,341.02
  5. Step 5: Solve for x
    x = 22,277,341.02/5,106.45
  6. Step 6: Final answer
    x = 4,362.59

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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.