Home / 4,630.43-6,384.49-3,213.05

Finding the Fourth Proportional to 4,630.43, 6,384.49 and 3,213.05

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Solution

The fourth proportional to 4,630.43, 6,384.49 and 3,213.05 is: 4,430.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,630.43 : 6,384.49 = 3,213.05 : x
  2. Step 2: Convert to fraction form
    4,630.43/6,384.49 = 3,213.05/x
  3. Step 3: Cross multiply
    4,630.43x = 6,384.49 × 3,213.05
  4. Step 4: Simplify right side
    4,630.43x = 20,513,645.64
  5. Step 5: Solve for x
    x = 20,513,645.64/4,630.43
  6. Step 6: Final answer
    x = 4,430.18

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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.