Home / 3,559.12-4,911.77-2,300.38

Finding the Fourth Proportional to 3,559.12, 4,911.77 and 2,300.38

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Solution

The fourth proportional to 3,559.12, 4,911.77 and 2,300.38 is: 3,174.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,559.12 : 4,911.77 = 2,300.38 : x
  2. Step 2: Convert to fraction form
    3,559.12/4,911.77 = 2,300.38/x
  3. Step 3: Cross multiply
    3,559.12x = 4,911.77 × 2,300.38
  4. Step 4: Simplify right side
    3,559.12x = 11,298,937.47
  5. Step 5: Solve for x
    x = 11,298,937.47/3,559.12
  6. Step 6: Final answer
    x = 3,174.64

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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.