Home / 5,635.63-7,771.38-3,397.06

Finding the Fourth Proportional to 5,635.63, 7,771.38 and 3,397.06

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Solution

The fourth proportional to 5,635.63, 7,771.38 and 3,397.06 is: 4,684.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,635.63 : 7,771.38 = 3,397.06 : x
  2. Step 2: Convert to fraction form
    5,635.63/7,771.38 = 3,397.06/x
  3. Step 3: Cross multiply
    5,635.63x = 7,771.38 × 3,397.06
  4. Step 4: Simplify right side
    5,635.63x = 26,399,844.14
  5. Step 5: Solve for x
    x = 26,399,844.14/5,635.63
  6. Step 6: Final answer
    x = 4,684.45

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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.