Home / 4,321.36-6,482.88-1,400.56

Finding the Fourth Proportional to 4,321.36, 6,482.88 and 1,400.56

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Solution

The fourth proportional to 4,321.36, 6,482.88 and 1,400.56 is: 2,101.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,321.36 : 6,482.88 = 1,400.56 : x
  2. Step 2: Convert to fraction form
    4,321.36/6,482.88 = 1,400.56/x
  3. Step 3: Cross multiply
    4,321.36x = 6,482.88 × 1,400.56
  4. Step 4: Simplify right side
    4,321.36x = 9,079,662.41
  5. Step 5: Solve for x
    x = 9,079,662.41/4,321.36
  6. Step 6: Final answer
    x = 2,101.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.