Home / 5,321.48-7,343.64-2,963.60

Finding the Fourth Proportional to 5,321.48, 7,343.64 and 2,963.60

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Solution

The fourth proportional to 5,321.48, 7,343.64 and 2,963.60 is: 4,089.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,321.48 : 7,343.64 = 2,963.60 : x
  2. Step 2: Convert to fraction form
    5,321.48/7,343.64 = 2,963.60/x
  3. Step 3: Cross multiply
    5,321.48x = 7,343.64 × 2,963.60
  4. Step 4: Simplify right side
    5,321.48x = 21,763,611.50
  5. Step 5: Solve for x
    x = 21,763,611.50/5,321.48
  6. Step 6: Final answer
    x = 4,089.77

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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.