Home / 4,712.25-7,068.38-1,425.27

Finding the Fourth Proportional to 4,712.25, 7,068.38 and 1,425.27

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Solution

The fourth proportional to 4,712.25, 7,068.38 and 1,425.27 is: 2,137.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,712.25 : 7,068.38 = 1,425.27 : x
  2. Step 2: Convert to fraction form
    4,712.25/7,068.38 = 1,425.27/x
  3. Step 3: Cross multiply
    4,712.25x = 7,068.38 × 1,425.27
  4. Step 4: Simplify right side
    4,712.25x = 10,074,342.84
  5. Step 5: Solve for x
    x = 10,074,342.84/4,712.25
  6. Step 6: Final answer
    x = 2,137.91

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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.