Home / 3,349.24-4,624.12-2,154.76

Finding the Fourth Proportional to 3,349.24, 4,624.12 and 2,154.76

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Solution

The fourth proportional to 3,349.24, 4,624.12 and 2,154.76 is: 2,974.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,349.24 : 4,624.12 = 2,154.76 : x
  2. Step 2: Convert to fraction form
    3,349.24/4,624.12 = 2,154.76/x
  3. Step 3: Cross multiply
    3,349.24x = 4,624.12 × 2,154.76
  4. Step 4: Simplify right side
    3,349.24x = 9,963,868.81
  5. Step 5: Solve for x
    x = 9,963,868.81/3,349.24
  6. Step 6: Final answer
    x = 2,974.96

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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.