Home / 4,929.21-6,790.74-3,434.42

Finding the Fourth Proportional to 4,929.21, 6,790.74 and 3,434.42

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Solution

The fourth proportional to 4,929.21, 6,790.74 and 3,434.42 is: 4,731.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,929.21 : 6,790.74 = 3,434.42 : x
  2. Step 2: Convert to fraction form
    4,929.21/6,790.74 = 3,434.42/x
  3. Step 3: Cross multiply
    4,929.21x = 6,790.74 × 3,434.42
  4. Step 4: Simplify right side
    4,929.21x = 23,322,219.32
  5. Step 5: Solve for x
    x = 23,322,219.32/4,929.21
  6. Step 6: Final answer
    x = 4,731.43

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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.