Home / 5,922.48-8,172.87-3,903.42

Finding the Fourth Proportional to 5,922.48, 8,172.87 and 3,903.42

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Solution

The fourth proportional to 5,922.48, 8,172.87 and 3,903.42 is: 5,386.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,922.48 : 8,172.87 = 3,903.42 : x
  2. Step 2: Convert to fraction form
    5,922.48/8,172.87 = 3,903.42/x
  3. Step 3: Cross multiply
    5,922.48x = 8,172.87 × 3,903.42
  4. Step 4: Simplify right side
    5,922.48x = 31,902,144.22
  5. Step 5: Solve for x
    x = 31,902,144.22/5,922.48
  6. Step 6: Final answer
    x = 5,386.62

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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.