Home / 5,440.19-7,507.37-3,082.28

Finding the Fourth Proportional to 5,440.19, 7,507.37 and 3,082.28

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Solution

The fourth proportional to 5,440.19, 7,507.37 and 3,082.28 is: 4,253.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.19 : 7,507.37 = 3,082.28 : x
  2. Step 2: Convert to fraction form
    5,440.19/7,507.37 = 3,082.28/x
  3. Step 3: Cross multiply
    5,440.19x = 7,507.37 × 3,082.28
  4. Step 4: Simplify right side
    5,440.19x = 23,139,800.99
  5. Step 5: Solve for x
    x = 23,139,800.99/5,440.19
  6. Step 6: Final answer
    x = 4,253.49

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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.