Home / 4,180.11-5,768.55-2,291.81

Finding the Fourth Proportional to 4,180.11, 5,768.55 and 2,291.81

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Solution

The fourth proportional to 4,180.11, 5,768.55 and 2,291.81 is: 3,162.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,180.11 : 5,768.55 = 2,291.81 : x
  2. Step 2: Convert to fraction form
    4,180.11/5,768.55 = 2,291.81/x
  3. Step 3: Cross multiply
    4,180.11x = 5,768.55 × 2,291.81
  4. Step 4: Simplify right side
    4,180.11x = 13,220,420.58
  5. Step 5: Solve for x
    x = 13,220,420.58/4,180.11
  6. Step 6: Final answer
    x = 3,162.70

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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.