Home / 4,069.76-5,621.54-3,009.69

Finding the Fourth Proportional to 4,069.76, 5,621.54 and 3,009.69

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Solution

The fourth proportional to 4,069.76, 5,621.54 and 3,009.69 is: 4,157.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,069.76 : 5,621.54 = 3,009.69 : x
  2. Step 2: Convert to fraction form
    4,069.76/5,621.54 = 3,009.69/x
  3. Step 3: Cross multiply
    4,069.76x = 5,621.54 × 3,009.69
  4. Step 4: Simplify right side
    4,069.76x = 16,919,077.67
  5. Step 5: Solve for x
    x = 16,919,077.67/4,069.76
  6. Step 6: Final answer
    x = 4,157.27

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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.