Home / 4,211.19-6,317.46-1,438.02

Finding the Fourth Proportional to 4,211.19, 6,317.46 and 1,438.02

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Solution

The fourth proportional to 4,211.19, 6,317.46 and 1,438.02 is: 2,157.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,211.19 : 6,317.46 = 1,438.02 : x
  2. Step 2: Convert to fraction form
    4,211.19/6,317.46 = 1,438.02/x
  3. Step 3: Cross multiply
    4,211.19x = 6,317.46 × 1,438.02
  4. Step 4: Simplify right side
    4,211.19x = 9,084,633.83
  5. Step 5: Solve for x
    x = 9,084,633.83/4,211.19
  6. Step 6: Final answer
    x = 2,157.26

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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.