Home / 7,269.21-10,031.38-4,082.53

Finding the Fourth Proportional to 7,269.21, 10,031.38 and 4,082.53

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Solution

The fourth proportional to 7,269.21, 10,031.38 and 4,082.53 is: 5,633.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,269.21 : 10,031.38 = 4,082.53 : x
  2. Step 2: Convert to fraction form
    7,269.21/10,031.38 = 4,082.53/x
  3. Step 3: Cross multiply
    7,269.21x = 10,031.38 × 4,082.53
  4. Step 4: Simplify right side
    7,269.21x = 40,953,409.79
  5. Step 5: Solve for x
    x = 40,953,409.79/7,269.21
  6. Step 6: Final answer
    x = 5,633.82

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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.