Home / 3,113.02-4,299.24-2,315.17

Finding the Fourth Proportional to 3,113.02, 4,299.24 and 2,315.17

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Solution

The fourth proportional to 3,113.02, 4,299.24 and 2,315.17 is: 3,197.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.02 : 4,299.24 = 2,315.17 : x
  2. Step 2: Convert to fraction form
    3,113.02/4,299.24 = 2,315.17/x
  3. Step 3: Cross multiply
    3,113.02x = 4,299.24 × 2,315.17
  4. Step 4: Simplify right side
    3,113.02x = 9,953,471.47
  5. Step 5: Solve for x
    x = 9,953,471.47/3,113.02
  6. Step 6: Final answer
    x = 3,197.37

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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.