Home / 4,015.32-5,538.36-3,684.84

Finding the Fourth Proportional to 4,015.32, 5,538.36 and 3,684.84

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Solution

The fourth proportional to 4,015.32, 5,538.36 and 3,684.84 is: 5,082.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,015.32 : 5,538.36 = 3,684.84 : x
  2. Step 2: Convert to fraction form
    4,015.32/5,538.36 = 3,684.84/x
  3. Step 3: Cross multiply
    4,015.32x = 5,538.36 × 3,684.84
  4. Step 4: Simplify right side
    4,015.32x = 20,407,970.46
  5. Step 5: Solve for x
    x = 20,407,970.46/4,015.32
  6. Step 6: Final answer
    x = 5,082.53

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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.