Home / 4,367.10-6,551.19-1,405.74

Finding the Fourth Proportional to 4,367.10, 6,551.19 and 1,405.74

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Solution

The fourth proportional to 4,367.10, 6,551.19 and 1,405.74 is: 2,108.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,367.10 : 6,551.19 = 1,405.74 : x
  2. Step 2: Convert to fraction form
    4,367.10/6,551.19 = 1,405.74/x
  3. Step 3: Cross multiply
    4,367.10x = 6,551.19 × 1,405.74
  4. Step 4: Simplify right side
    4,367.10x = 9,209,269.83
  5. Step 5: Solve for x
    x = 9,209,269.83/4,367.10
  6. Step 6: Final answer
    x = 2,108.78

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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.