Home / 5,440.13-7,507.58-3,082.22

Finding the Fourth Proportional to 5,440.13, 7,507.58 and 3,082.22

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Solution

The fourth proportional to 5,440.13, 7,507.58 and 3,082.22 is: 4,253.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.13 : 7,507.58 = 3,082.22 : x
  2. Step 2: Convert to fraction form
    5,440.13/7,507.58 = 3,082.22/x
  3. Step 3: Cross multiply
    5,440.13x = 7,507.58 × 3,082.22
  4. Step 4: Simplify right side
    5,440.13x = 23,140,013.23
  5. Step 5: Solve for x
    x = 23,140,013.23/5,440.13
  6. Step 6: Final answer
    x = 4,253.58

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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.