Home / 7,420.68-11,132.51-2,423.39

Finding the Fourth Proportional to 7,420.68, 11,132.51 and 2,423.39

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Solution

The fourth proportional to 7,420.68, 11,132.51 and 2,423.39 is: 3,635.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,420.68 : 11,132.51 = 2,423.39 : x
  2. Step 2: Convert to fraction form
    7,420.68/11,132.51 = 2,423.39/x
  3. Step 3: Cross multiply
    7,420.68x = 11,132.51 × 2,423.39
  4. Step 4: Simplify right side
    7,420.68x = 26,978,345.63
  5. Step 5: Solve for x
    x = 26,978,345.63/7,420.68
  6. Step 6: Final answer
    x = 3,635.56

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1.5x scale

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.