Home / 2,551.35-3,520.16-1,432.18

Finding the Fourth Proportional to 2,551.35, 3,520.16 and 1,432.18

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Solution

The fourth proportional to 2,551.35, 3,520.16 and 1,432.18 is: 1,976.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551.35 : 3,520.16 = 1,432.18 : x
  2. Step 2: Convert to fraction form
    2,551.35/3,520.16 = 1,432.18/x
  3. Step 3: Cross multiply
    2,551.35x = 3,520.16 × 1,432.18
  4. Step 4: Simplify right side
    2,551.35x = 5,041,505.36
  5. Step 5: Solve for x
    x = 5,041,505.36/2,551.35
  6. Step 6: Final answer
    x = 1,976.02

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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.