Home / 3,143.37-4,338.18-1,746.12

Finding the Fourth Proportional to 3,143.37, 4,338.18 and 1,746.12

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Solution

The fourth proportional to 3,143.37, 4,338.18 and 1,746.12 is: 2,409.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143.37 : 4,338.18 = 1,746.12 : x
  2. Step 2: Convert to fraction form
    3,143.37/4,338.18 = 1,746.12/x
  3. Step 3: Cross multiply
    3,143.37x = 4,338.18 × 1,746.12
  4. Step 4: Simplify right side
    3,143.37x = 7,574,982.86
  5. Step 5: Solve for x
    x = 7,574,982.86/3,143.37
  6. Step 6: Final answer
    x = 2,409.83

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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.