Home / 5,321.55-7,342.88-2,963.25

Finding the Fourth Proportional to 5,321.55, 7,342.88 and 2,963.25

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Solution

The fourth proportional to 5,321.55, 7,342.88 and 2,963.25 is: 4,088.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,321.55 : 7,342.88 = 2,963.25 : x
  2. Step 2: Convert to fraction form
    5,321.55/7,342.88 = 2,963.25/x
  3. Step 3: Cross multiply
    5,321.55x = 7,342.88 × 2,963.25
  4. Step 4: Simplify right side
    5,321.55x = 21,758,774.34
  5. Step 5: Solve for x
    x = 21,758,774.34/5,321.55
  6. Step 6: Final answer
    x = 4,088.80

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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.