Home / 5,307.41-7,321.23-3,182.37

Finding the Fourth Proportional to 5,307.41, 7,321.23 and 3,182.37

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Solution

The fourth proportional to 5,307.41, 7,321.23 and 3,182.37 is: 4,389.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,307.41 : 7,321.23 = 3,182.37 : x
  2. Step 2: Convert to fraction form
    5,307.41/7,321.23 = 3,182.37/x
  3. Step 3: Cross multiply
    5,307.41x = 7,321.23 × 3,182.37
  4. Step 4: Simplify right side
    5,307.41x = 23,298,862.72
  5. Step 5: Solve for x
    x = 23,298,862.72/5,307.41
  6. Step 6: Final answer
    x = 4,389.88

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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.