Home / 5,179.61-7,149.26-2,941.58

Finding the Fourth Proportional to 5,179.61, 7,149.26 and 2,941.58

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Solution

The fourth proportional to 5,179.61, 7,149.26 and 2,941.58 is: 4,060.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,179.61 : 7,149.26 = 2,941.58 : x
  2. Step 2: Convert to fraction form
    5,179.61/7,149.26 = 2,941.58/x
  3. Step 3: Cross multiply
    5,179.61x = 7,149.26 × 2,941.58
  4. Step 4: Simplify right side
    5,179.61x = 21,030,145.46
  5. Step 5: Solve for x
    x = 21,030,145.46/5,179.61
  6. Step 6: Final answer
    x = 4,060.18

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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.