Home / 4,345.68-5,990.78-3,101.52

Finding the Fourth Proportional to 4,345.68, 5,990.78 and 3,101.52

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Solution

The fourth proportional to 4,345.68, 5,990.78 and 3,101.52 is: 4,275.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,345.68 : 5,990.78 = 3,101.52 : x
  2. Step 2: Convert to fraction form
    4,345.68/5,990.78 = 3,101.52/x
  3. Step 3: Cross multiply
    4,345.68x = 5,990.78 × 3,101.52
  4. Step 4: Simplify right side
    4,345.68x = 18,580,523.99
  5. Step 5: Solve for x
    x = 18,580,523.99/4,345.68
  6. Step 6: Final answer
    x = 4,275.63

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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.