Home / 7,480.22-10,322.65-4,123.04

Finding the Fourth Proportional to 7,480.22, 10,322.65 and 4,123.04

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Solution

The fourth proportional to 7,480.22, 10,322.65 and 4,123.04 is: 5,689.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480.22 : 10,322.65 = 4,123.04 : x
  2. Step 2: Convert to fraction form
    7,480.22/10,322.65 = 4,123.04/x
  3. Step 3: Cross multiply
    7,480.22x = 10,322.65 × 4,123.04
  4. Step 4: Simplify right side
    7,480.22x = 42,560,679.48
  5. Step 5: Solve for x
    x = 42,560,679.48/7,480.22
  6. Step 6: Final answer
    x = 5,689.76

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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.