Home / 7,582.10-11,375.20-4,297.49

Finding the Fourth Proportional to 7,582.10, 11,375.20 and 4,297.49

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Solution

The fourth proportional to 7,582.10, 11,375.20 and 4,297.49 is: 6,447.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,582.10 : 11,375.20 = 4,297.49 : x
  2. Step 2: Convert to fraction form
    7,582.10/11,375.20 = 4,297.49/x
  3. Step 3: Cross multiply
    7,582.10x = 11,375.20 × 4,297.49
  4. Step 4: Simplify right side
    7,582.10x = 48,884,808.25
  5. Step 5: Solve for x
    x = 48,884,808.25/7,582.10
  6. Step 6: Final answer
    x = 6,447.40

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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.