Home / 3,251.34-4,483.65-3,199.40

Finding the Fourth Proportional to 3,251.34, 4,483.65 and 3,199.40

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Solution

The fourth proportional to 3,251.34, 4,483.65 and 3,199.40 is: 4,412.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.34 : 4,483.65 = 3,199.40 : x
  2. Step 2: Convert to fraction form
    3,251.34/4,483.65 = 3,199.40/x
  3. Step 3: Cross multiply
    3,251.34x = 4,483.65 × 3,199.40
  4. Step 4: Simplify right side
    3,251.34x = 14,344,996.20
  5. Step 5: Solve for x
    x = 14,344,996.20/3,251.34
  6. Step 6: Final answer
    x = 4,412.03

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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.