Home / 7,324.79-10,111.70-4,180.37

Finding the Fourth Proportional to 7,324.79, 10,111.70 and 4,180.37

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Solution

The fourth proportional to 7,324.79, 10,111.70 and 4,180.37 is: 5,770.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,324.79 : 10,111.70 = 4,180.37 : x
  2. Step 2: Convert to fraction form
    7,324.79/10,111.70 = 4,180.37/x
  3. Step 3: Cross multiply
    7,324.79x = 10,111.70 × 4,180.37
  4. Step 4: Simplify right side
    7,324.79x = 42,270,607.22
  5. Step 5: Solve for x
    x = 42,270,607.22/7,324.79
  6. Step 6: Final answer
    x = 5,770.90

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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.