Home / 2,512.22-3,466.58-1,392.84

Finding the Fourth Proportional to 2,512.22, 3,466.58 and 1,392.84

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Solution

The fourth proportional to 2,512.22, 3,466.58 and 1,392.84 is: 1,921.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,512.22 : 3,466.58 = 1,392.84 : x
  2. Step 2: Convert to fraction form
    2,512.22/3,466.58 = 1,392.84/x
  3. Step 3: Cross multiply
    2,512.22x = 3,466.58 × 1,392.84
  4. Step 4: Simplify right side
    2,512.22x = 4,828,384.32
  5. Step 5: Solve for x
    x = 4,828,384.32/2,512.22
  6. Step 6: Final answer
    x = 1,921.96

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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.