Home / 2,632.24-3,631.52-1,512.40

Finding the Fourth Proportional to 2,632.24, 3,631.52 and 1,512.40

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Solution

The fourth proportional to 2,632.24, 3,631.52 and 1,512.40 is: 2,086.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,632.24 : 3,631.52 = 1,512.40 : x
  2. Step 2: Convert to fraction form
    2,632.24/3,631.52 = 1,512.40/x
  3. Step 3: Cross multiply
    2,632.24x = 3,631.52 × 1,512.40
  4. Step 4: Simplify right side
    2,632.24x = 5,492,310.85
  5. Step 5: Solve for x
    x = 5,492,310.85/2,632.24
  6. Step 6: Final answer
    x = 2,086.55

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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.