Home / 2,512.03-3,466.53-1,392.90

Finding the Fourth Proportional to 2,512.03, 3,466.53 and 1,392.90

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Solution

The fourth proportional to 2,512.03, 3,466.53 and 1,392.90 is: 1,922.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,512.03 : 3,466.53 = 1,392.90 : x
  2. Step 2: Convert to fraction form
    2,512.03/3,466.53 = 1,392.90/x
  3. Step 3: Cross multiply
    2,512.03x = 3,466.53 × 1,392.90
  4. Step 4: Simplify right side
    2,512.03x = 4,828,535.64
  5. Step 5: Solve for x
    x = 4,828,535.64/2,512.03
  6. Step 6: Final answer
    x = 1,922.16

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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.