Home / 5,065.36-7,599.38-2,143.76

Finding the Fourth Proportional to 5,065.36, 7,599.38 and 2,143.76

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Solution

The fourth proportional to 5,065.36, 7,599.38 and 2,143.76 is: 3,216.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,065.36 : 7,599.38 = 2,143.76 : x
  2. Step 2: Convert to fraction form
    5,065.36/7,599.38 = 2,143.76/x
  3. Step 3: Cross multiply
    5,065.36x = 7,599.38 × 2,143.76
  4. Step 4: Simplify right side
    5,065.36x = 16,291,246.87
  5. Step 5: Solve for x
    x = 16,291,246.87/5,065.36
  6. Step 6: Final answer
    x = 3,216.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.