Home / 5,422.95-7,483.64-3,065.09

Finding the Fourth Proportional to 5,422.95, 7,483.64 and 3,065.09

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Solution

The fourth proportional to 5,422.95, 7,483.64 and 3,065.09 is: 4,229.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422.95 : 7,483.64 = 3,065.09 : x
  2. Step 2: Convert to fraction form
    5,422.95/7,483.64 = 3,065.09/x
  3. Step 3: Cross multiply
    5,422.95x = 7,483.64 × 3,065.09
  4. Step 4: Simplify right side
    5,422.95x = 22,937,977.38
  5. Step 5: Solve for x
    x = 22,937,977.38/5,422.95
  6. Step 6: Final answer
    x = 4,229.80

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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.