Home / 7,480.44-10,322.52-4,123.07

Finding the Fourth Proportional to 7,480.44, 10,322.52 and 4,123.07

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Solution

The fourth proportional to 7,480.44, 10,322.52 and 4,123.07 is: 5,689.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480.44 : 10,322.52 = 4,123.07 : x
  2. Step 2: Convert to fraction form
    7,480.44/10,322.52 = 4,123.07/x
  3. Step 3: Cross multiply
    7,480.44x = 10,322.52 × 4,123.07
  4. Step 4: Simplify right side
    7,480.44x = 42,560,420.92
  5. Step 5: Solve for x
    x = 42,560,420.92/7,480.44
  6. Step 6: Final answer
    x = 5,689.56

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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.