Home / 6,407.12-9,609.30-2,023.40

Finding the Fourth Proportional to 6,407.12, 9,609.30 and 2,023.40

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Solution

The fourth proportional to 6,407.12, 9,609.30 and 2,023.40 is: 3,034.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,407.12 : 9,609.30 = 2,023.40 : x
  2. Step 2: Convert to fraction form
    6,407.12/9,609.30 = 2,023.40/x
  3. Step 3: Cross multiply
    6,407.12x = 9,609.30 × 2,023.40
  4. Step 4: Simplify right side
    6,407.12x = 19,443,457.62
  5. Step 5: Solve for x
    x = 19,443,457.62/6,407.12
  6. Step 6: Final answer
    x = 3,034.66

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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.