Home / 5,182.99-7,152.55-2,945.61

Finding the Fourth Proportional to 5,182.99, 7,152.55 and 2,945.61

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Solution

The fourth proportional to 5,182.99, 7,152.55 and 2,945.61 is: 4,064.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182.99 : 7,152.55 = 2,945.61 : x
  2. Step 2: Convert to fraction form
    5,182.99/7,152.55 = 2,945.61/x
  3. Step 3: Cross multiply
    5,182.99x = 7,152.55 × 2,945.61
  4. Step 4: Simplify right side
    5,182.99x = 21,068,625.96
  5. Step 5: Solve for x
    x = 21,068,625.96/5,182.99
  6. Step 6: Final answer
    x = 4,064.95

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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.