Home / 7,420.54-10,243.68-4,735.37

Finding the Fourth Proportional to 7,420.54, 10,243.68 and 4,735.37

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Solution

The fourth proportional to 7,420.54, 10,243.68 and 4,735.37 is: 6,536.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,420.54 : 10,243.68 = 4,735.37 : x
  2. Step 2: Convert to fraction form
    7,420.54/10,243.68 = 4,735.37/x
  3. Step 3: Cross multiply
    7,420.54x = 10,243.68 × 4,735.37
  4. Step 4: Simplify right side
    7,420.54x = 48,507,614.96
  5. Step 5: Solve for x
    x = 48,507,614.96/7,420.54
  6. Step 6: Final answer
    x = 6,536.94

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1.5x scale

Why These Related Problems?

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