Home / 2,113.26-2,915.37-1,451.22

Finding the Fourth Proportional to 2,113.26, 2,915.37 and 1,451.22

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Solution

The fourth proportional to 2,113.26, 2,915.37 and 1,451.22 is: 2,002.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113.26 : 2,915.37 = 1,451.22 : x
  2. Step 2: Convert to fraction form
    2,113.26/2,915.37 = 1,451.22/x
  3. Step 3: Cross multiply
    2,113.26x = 2,915.37 × 1,451.22
  4. Step 4: Simplify right side
    2,113.26x = 4,230,843.25
  5. Step 5: Solve for x
    x = 4,230,843.25/2,113.26
  6. Step 6: Final answer
    x = 2,002.05

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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.