Home / 4,121.84-5,688.16-2,353.48

Finding the Fourth Proportional to 4,121.84, 5,688.16 and 2,353.48

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Solution

The fourth proportional to 4,121.84, 5,688.16 and 2,353.48 is: 3,247.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.84 : 5,688.16 = 2,353.48 : x
  2. Step 2: Convert to fraction form
    4,121.84/5,688.16 = 2,353.48/x
  3. Step 3: Cross multiply
    4,121.84x = 5,688.16 × 2,353.48
  4. Step 4: Simplify right side
    4,121.84x = 13,386,970.80
  5. Step 5: Solve for x
    x = 13,386,970.80/4,121.84
  6. Step 6: Final answer
    x = 3,247.81

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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.