Home / 5,285.18-7,294.62-3,611.22

Finding the Fourth Proportional to 5,285.18, 7,294.62 and 3,611.22

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Solution

The fourth proportional to 5,285.18, 7,294.62 and 3,611.22 is: 4,984.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285.18 : 7,294.62 = 3,611.22 : x
  2. Step 2: Convert to fraction form
    5,285.18/7,294.62 = 3,611.22/x
  3. Step 3: Cross multiply
    5,285.18x = 7,294.62 × 3,611.22
  4. Step 4: Simplify right side
    5,285.18x = 26,342,477.64
  5. Step 5: Solve for x
    x = 26,342,477.64/5,285.18
  6. Step 6: Final answer
    x = 4,984.22

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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.