Home / 3,082.72-4,254.58-1,756.54

Finding the Fourth Proportional to 3,082.72, 4,254.58 and 1,756.54

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Solution

The fourth proportional to 3,082.72, 4,254.58 and 1,756.54 is: 2,424.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,082.72 : 4,254.58 = 1,756.54 : x
  2. Step 2: Convert to fraction form
    3,082.72/4,254.58 = 1,756.54/x
  3. Step 3: Cross multiply
    3,082.72x = 4,254.58 × 1,756.54
  4. Step 4: Simplify right side
    3,082.72x = 7,473,339.95
  5. Step 5: Solve for x
    x = 7,473,339.95/3,082.72
  6. Step 6: Final answer
    x = 2,424.27

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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.