Home / 7,402.47-10,215.44-4,045.34

Finding the Fourth Proportional to 7,402.47, 10,215.44 and 4,045.34

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Solution

The fourth proportional to 7,402.47, 10,215.44 and 4,045.34 is: 5,582.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,402.47 : 10,215.44 = 4,045.34 : x
  2. Step 2: Convert to fraction form
    7,402.47/10,215.44 = 4,045.34/x
  3. Step 3: Cross multiply
    7,402.47x = 10,215.44 × 4,045.34
  4. Step 4: Simplify right side
    7,402.47x = 41,324,856.75
  5. Step 5: Solve for x
    x = 41,324,856.75/7,402.47
  6. Step 6: Final answer
    x = 5,582.58

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.