Home / 3,103.02-4,282.29-1,776.84

Finding the Fourth Proportional to 3,103.02, 4,282.29 and 1,776.84

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Solution

The fourth proportional to 3,103.02, 4,282.29 and 1,776.84 is: 2,452.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.02 : 4,282.29 = 1,776.84 : x
  2. Step 2: Convert to fraction form
    3,103.02/4,282.29 = 1,776.84/x
  3. Step 3: Cross multiply
    3,103.02x = 4,282.29 × 1,776.84
  4. Step 4: Simplify right side
    3,103.02x = 7,608,944.16
  5. Step 5: Solve for x
    x = 7,608,944.16/3,103.02
  6. Step 6: Final answer
    x = 2,452.11

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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.