Home / 3,176.39-4,383.34-1,740.75

Finding the Fourth Proportional to 3,176.39, 4,383.34 and 1,740.75

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Solution

The fourth proportional to 3,176.39, 4,383.34 and 1,740.75 is: 2,402.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176.39 : 4,383.34 = 1,740.75 : x
  2. Step 2: Convert to fraction form
    3,176.39/4,383.34 = 1,740.75/x
  3. Step 3: Cross multiply
    3,176.39x = 4,383.34 × 1,740.75
  4. Step 4: Simplify right side
    3,176.39x = 7,630,314.03
  5. Step 5: Solve for x
    x = 7,630,314.03/3,176.39
  6. Step 6: Final answer
    x = 2,402.20

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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.