Home / 3,082.86-4,254.48-1,756.56

Finding the Fourth Proportional to 3,082.86, 4,254.48 and 1,756.56

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Solution

The fourth proportional to 3,082.86, 4,254.48 and 1,756.56 is: 2,424.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,082.86 : 4,254.48 = 1,756.56 : x
  2. Step 2: Convert to fraction form
    3,082.86/4,254.48 = 1,756.56/x
  3. Step 3: Cross multiply
    3,082.86x = 4,254.48 × 1,756.56
  4. Step 4: Simplify right side
    3,082.86x = 7,473,249.39
  5. Step 5: Solve for x
    x = 7,473,249.39/3,082.86
  6. Step 6: Final answer
    x = 2,424.13

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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.