Home / 3,117.27-4,303.39-2,173.83

Finding the Fourth Proportional to 3,117.27, 4,303.39 and 2,173.83

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Solution

The fourth proportional to 3,117.27, 4,303.39 and 2,173.83 is: 3,000.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.27 : 4,303.39 = 2,173.83 : x
  2. Step 2: Convert to fraction form
    3,117.27/4,303.39 = 2,173.83/x
  3. Step 3: Cross multiply
    3,117.27x = 4,303.39 × 2,173.83
  4. Step 4: Simplify right side
    3,117.27x = 9,354,838.28
  5. Step 5: Solve for x
    x = 9,354,838.28/3,117.27
  6. Step 6: Final answer
    x = 3,000.97

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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.