Home / 4,073.69-5,621.81-2,305.67

Finding the Fourth Proportional to 4,073.69, 5,621.81 and 2,305.67

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Solution

The fourth proportional to 4,073.69, 5,621.81 and 2,305.67 is: 3,181.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,073.69 : 5,621.81 = 2,305.67 : x
  2. Step 2: Convert to fraction form
    4,073.69/5,621.81 = 2,305.67/x
  3. Step 3: Cross multiply
    4,073.69x = 5,621.81 × 2,305.67
  4. Step 4: Simplify right side
    4,073.69x = 12,961,999.03
  5. Step 5: Solve for x
    x = 12,961,999.03/4,073.69
  6. Step 6: Final answer
    x = 3,181.88

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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.