Home / 6,622.03-9,138.27-3,637.79

Finding the Fourth Proportional to 6,622.03, 9,138.27 and 3,637.79

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Solution

The fourth proportional to 6,622.03, 9,138.27 and 3,637.79 is: 5,020.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,622.03 : 9,138.27 = 3,637.79 : x
  2. Step 2: Convert to fraction form
    6,622.03/9,138.27 = 3,637.79/x
  3. Step 3: Cross multiply
    6,622.03x = 9,138.27 × 3,637.79
  4. Step 4: Simplify right side
    6,622.03x = 33,243,130.07
  5. Step 5: Solve for x
    x = 33,243,130.07/6,622.03
  6. Step 6: Final answer
    x = 5,020.08

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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.