Home / 2,725.02-4,087.53-1,426.17

Finding the Fourth Proportional to 2,725.02, 4,087.53 and 1,426.17

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Solution

The fourth proportional to 2,725.02, 4,087.53 and 1,426.17 is: 2,139.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,725.02 : 4,087.53 = 1,426.17 : x
  2. Step 2: Convert to fraction form
    2,725.02/4,087.53 = 1,426.17/x
  3. Step 3: Cross multiply
    2,725.02x = 4,087.53 × 1,426.17
  4. Step 4: Simplify right side
    2,725.02x = 5,829,512.66
  5. Step 5: Solve for x
    x = 5,829,512.66/2,725.02
  6. Step 6: Final answer
    x = 2,139.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.