Home / 2,199.11-3,029.58-1,534.77

Finding the Fourth Proportional to 2,199.11, 3,029.58 and 1,534.77

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Solution

The fourth proportional to 2,199.11, 3,029.58 and 1,534.77 is: 2,114.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199.11 : 3,029.58 = 1,534.77 : x
  2. Step 2: Convert to fraction form
    2,199.11/3,029.58 = 1,534.77/x
  3. Step 3: Cross multiply
    2,199.11x = 3,029.58 × 1,534.77
  4. Step 4: Simplify right side
    2,199.11x = 4,649,708.50
  5. Step 5: Solve for x
    x = 4,649,708.50/2,199.11
  6. Step 6: Final answer
    x = 2,114.36

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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.