Home / 5,287.88-7,292.36-3,396.13

Finding the Fourth Proportional to 5,287.88, 7,292.36 and 3,396.13

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Solution

The fourth proportional to 5,287.88, 7,292.36 and 3,396.13 is: 4,683.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,287.88 : 7,292.36 = 3,396.13 : x
  2. Step 2: Convert to fraction form
    5,287.88/7,292.36 = 3,396.13/x
  3. Step 3: Cross multiply
    5,287.88x = 7,292.36 × 3,396.13
  4. Step 4: Simplify right side
    5,287.88x = 24,765,792.83
  5. Step 5: Solve for x
    x = 24,765,792.83/5,287.88
  6. Step 6: Final answer
    x = 4,683.50

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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.