Home / 3,035.12-4,189.39-1,776.47

Finding the Fourth Proportional to 3,035.12, 4,189.39 and 1,776.47

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Solution

The fourth proportional to 3,035.12, 4,189.39 and 1,776.47 is: 2,452.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,035.12 : 4,189.39 = 1,776.47 : x
  2. Step 2: Convert to fraction form
    3,035.12/4,189.39 = 1,776.47/x
  3. Step 3: Cross multiply
    3,035.12x = 4,189.39 × 1,776.47
  4. Step 4: Simplify right side
    3,035.12x = 7,442,300.27
  5. Step 5: Solve for x
    x = 7,442,300.27/3,035.12
  6. Step 6: Final answer
    x = 2,452.07

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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.