Home / 5,628.42-7,767.54-3,239.16

Finding the Fourth Proportional to 5,628.42, 7,767.54 and 3,239.16

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Solution

The fourth proportional to 5,628.42, 7,767.54 and 3,239.16 is: 4,470.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.42 : 7,767.54 = 3,239.16 : x
  2. Step 2: Convert to fraction form
    5,628.42/7,767.54 = 3,239.16/x
  3. Step 3: Cross multiply
    5,628.42x = 7,767.54 × 3,239.16
  4. Step 4: Simplify right side
    5,628.42x = 25,160,304.87
  5. Step 5: Solve for x
    x = 25,160,304.87/5,628.42
  6. Step 6: Final answer
    x = 4,470.23

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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.