Home / 5,622.90-7,759.52-3,105.11

Finding the Fourth Proportional to 5,622.90, 7,759.52 and 3,105.11

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Solution

The fourth proportional to 5,622.90, 7,759.52 and 3,105.11 is: 4,285.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,622.90 : 7,759.52 = 3,105.11 : x
  2. Step 2: Convert to fraction form
    5,622.90/7,759.52 = 3,105.11/x
  3. Step 3: Cross multiply
    5,622.90x = 7,759.52 × 3,105.11
  4. Step 4: Simplify right side
    5,622.90x = 24,094,108.82
  5. Step 5: Solve for x
    x = 24,094,108.82/5,622.90
  6. Step 6: Final answer
    x = 4,285.00

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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.