Home / 3,192.27-4,400.72-2,113.74

Finding the Fourth Proportional to 3,192.27, 4,400.72 and 2,113.74

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Solution

The fourth proportional to 3,192.27, 4,400.72 and 2,113.74 is: 2,913.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.27 : 4,400.72 = 2,113.74 : x
  2. Step 2: Convert to fraction form
    3,192.27/4,400.72 = 2,113.74/x
  3. Step 3: Cross multiply
    3,192.27x = 4,400.72 × 2,113.74
  4. Step 4: Simplify right side
    3,192.27x = 9,301,967.32
  5. Step 5: Solve for x
    x = 9,301,967.32/3,192.27
  6. Step 6: Final answer
    x = 2,913.90

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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.