Home / 3,134.28-4,324.46-1,874.76

Finding the Fourth Proportional to 3,134.28, 4,324.46 and 1,874.76

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Solution

The fourth proportional to 3,134.28, 4,324.46 and 1,874.76 is: 2,586.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.28 : 4,324.46 = 1,874.76 : x
  2. Step 2: Convert to fraction form
    3,134.28/4,324.46 = 1,874.76/x
  3. Step 3: Cross multiply
    3,134.28x = 4,324.46 × 1,874.76
  4. Step 4: Simplify right side
    3,134.28x = 8,107,324.63
  5. Step 5: Solve for x
    x = 8,107,324.63/3,134.28
  6. Step 6: Final answer
    x = 2,586.66

Related Problems

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Half scale
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Double scale
Find fourth proportional to 3,135.28, 4,325.84 and 1,875.76
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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.