Home / 3,424.36-4,728.51-2,308.99

Finding the Fourth Proportional to 3,424.36, 4,728.51 and 2,308.99

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Solution

The fourth proportional to 3,424.36, 4,728.51 and 2,308.99 is: 3,188.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424.36 : 4,728.51 = 2,308.99 : x
  2. Step 2: Convert to fraction form
    3,424.36/4,728.51 = 2,308.99/x
  3. Step 3: Cross multiply
    3,424.36x = 4,728.51 × 2,308.99
  4. Step 4: Simplify right side
    3,424.36x = 10,918,082.30
  5. Step 5: Solve for x
    x = 10,918,082.30/3,424.36
  6. Step 6: Final answer
    x = 3,188.36

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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.