Home / 5,282.48-7,923.56-2,161.62

Finding the Fourth Proportional to 5,282.48, 7,923.56 and 2,161.62

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Solution

The fourth proportional to 5,282.48, 7,923.56 and 2,161.62 is: 3,242.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,282.48 : 7,923.56 = 2,161.62 : x
  2. Step 2: Convert to fraction form
    5,282.48/7,923.56 = 2,161.62/x
  3. Step 3: Cross multiply
    5,282.48x = 7,923.56 × 2,161.62
  4. Step 4: Simplify right side
    5,282.48x = 17,127,725.77
  5. Step 5: Solve for x
    x = 17,127,725.77/5,282.48
  6. Step 6: Final answer
    x = 3,242.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.