Home / 4,919.13-7,377.10-1,631.34

Finding the Fourth Proportional to 4,919.13, 7,377.10 and 1,631.34

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Solution

The fourth proportional to 4,919.13, 7,377.10 and 1,631.34 is: 2,446.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.13 : 7,377.10 = 1,631.34 : x
  2. Step 2: Convert to fraction form
    4,919.13/7,377.10 = 1,631.34/x
  3. Step 3: Cross multiply
    4,919.13x = 7,377.10 × 1,631.34
  4. Step 4: Simplify right side
    4,919.13x = 12,034,588.02
  5. Step 5: Solve for x
    x = 12,034,588.02/4,919.13
  6. Step 6: Final answer
    x = 2,446.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.