Home / 6,153.19-8,491.40-3,796.70

Finding the Fourth Proportional to 6,153.19, 8,491.40 and 3,796.70

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Solution

The fourth proportional to 6,153.19, 8,491.40 and 3,796.70 is: 5,239.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,153.19 : 8,491.40 = 3,796.70 : x
  2. Step 2: Convert to fraction form
    6,153.19/8,491.40 = 3,796.70/x
  3. Step 3: Cross multiply
    6,153.19x = 8,491.40 × 3,796.70
  4. Step 4: Simplify right side
    6,153.19x = 32,239,265.41
  5. Step 5: Solve for x
    x = 32,239,265.41/6,153.19
  6. Step 6: Final answer
    x = 5,239.44

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Half scale
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Double scale
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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.