Home / 3,151.43-4,694.80-3,009.27

Finding the Fourth Proportional to 3,151.43, 4,694.80 and 3,009.27

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Solution

The fourth proportional to 3,151.43, 4,694.80 and 3,009.27 is: 4,483.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.43 : 4,694.80 = 3,009.27 : x
  2. Step 2: Convert to fraction form
    3,151.43/4,694.80 = 3,009.27/x
  3. Step 3: Cross multiply
    3,151.43x = 4,694.80 × 3,009.27
  4. Step 4: Simplify right side
    3,151.43x = 14,127,913.27
  5. Step 5: Solve for x
    x = 14,127,913.27/3,151.43
  6. Step 6: Final answer
    x = 4,483.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.