Home / 4,121.54-5,688.12-2,353.41

Finding the Fourth Proportional to 4,121.54, 5,688.12 and 2,353.41

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Solution

The fourth proportional to 4,121.54, 5,688.12 and 2,353.41 is: 3,247.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.54 : 5,688.12 = 2,353.41 : x
  2. Step 2: Convert to fraction form
    4,121.54/5,688.12 = 2,353.41/x
  3. Step 3: Cross multiply
    4,121.54x = 5,688.12 × 2,353.41
  4. Step 4: Simplify right side
    4,121.54x = 13,386,450.05
  5. Step 5: Solve for x
    x = 13,386,450.05/4,121.54
  6. Step 6: Final answer
    x = 3,247.93

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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.