Home / 5,400.19-7,454.76-3,808.13

Finding the Fourth Proportional to 5,400.19, 7,454.76 and 3,808.13

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Solution

The fourth proportional to 5,400.19, 7,454.76 and 3,808.13 is: 5,256.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,400.19 : 7,454.76 = 3,808.13 : x
  2. Step 2: Convert to fraction form
    5,400.19/7,454.76 = 3,808.13/x
  3. Step 3: Cross multiply
    5,400.19x = 7,454.76 × 3,808.13
  4. Step 4: Simplify right side
    5,400.19x = 28,388,713.84
  5. Step 5: Solve for x
    x = 28,388,713.84/5,400.19
  6. Step 6: Final answer
    x = 5,256.99

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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.