Home / 5,150.84-7,108.59-2,913.11

Finding the Fourth Proportional to 5,150.84, 7,108.59 and 2,913.11

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Solution

The fourth proportional to 5,150.84, 7,108.59 and 2,913.11 is: 4,020.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,150.84 : 7,108.59 = 2,913.11 : x
  2. Step 2: Convert to fraction form
    5,150.84/7,108.59 = 2,913.11/x
  3. Step 3: Cross multiply
    5,150.84x = 7,108.59 × 2,913.11
  4. Step 4: Simplify right side
    5,150.84x = 20,708,104.61
  5. Step 5: Solve for x
    x = 20,708,104.61/5,150.84
  6. Step 6: Final answer
    x = 4,020.34

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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.