Home / 5,108.92-7,050.52-2,984.12

Finding the Fourth Proportional to 5,108.92, 7,050.52 and 2,984.12

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Solution

The fourth proportional to 5,108.92, 7,050.52 and 2,984.12 is: 4,118.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,108.92 : 7,050.52 = 2,984.12 : x
  2. Step 2: Convert to fraction form
    5,108.92/7,050.52 = 2,984.12/x
  3. Step 3: Cross multiply
    5,108.92x = 7,050.52 × 2,984.12
  4. Step 4: Simplify right side
    5,108.92x = 21,039,597.74
  5. Step 5: Solve for x
    x = 21,039,597.74/5,108.92
  6. Step 6: Final answer
    x = 4,118.21

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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.