Home / 2,305.24-3,178.18-1,834.76

Finding the Fourth Proportional to 2,305.24, 3,178.18 and 1,834.76

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Solution

The fourth proportional to 2,305.24, 3,178.18 and 1,834.76 is: 2,529.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,305.24 : 3,178.18 = 1,834.76 : x
  2. Step 2: Convert to fraction form
    2,305.24/3,178.18 = 1,834.76/x
  3. Step 3: Cross multiply
    2,305.24x = 3,178.18 × 1,834.76
  4. Step 4: Simplify right side
    2,305.24x = 5,831,197.54
  5. Step 5: Solve for x
    x = 5,831,197.54/2,305.24
  6. Step 6: Final answer
    x = 2,529.54

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Half scale
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Double scale
Find fourth proportional to 2,306.24, 3,179.56 and 1,835.76
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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.