Home / 4,353.40-6,531.90-2,405.08

Finding the Fourth Proportional to 4,353.40, 6,531.90 and 2,405.08

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Solution

The fourth proportional to 4,353.40, 6,531.90 and 2,405.08 is: 3,608.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,353.40 : 6,531.90 = 2,405.08 : x
  2. Step 2: Convert to fraction form
    4,353.40/6,531.90 = 2,405.08/x
  3. Step 3: Cross multiply
    4,353.40x = 6,531.90 × 2,405.08
  4. Step 4: Simplify right side
    4,353.40x = 15,709,742.05
  5. Step 5: Solve for x
    x = 15,709,742.05/4,353.40
  6. Step 6: Final answer
    x = 3,608.61

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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.