Home / 2,937.78-4,054.14-1,593.40

Finding the Fourth Proportional to 2,937.78, 4,054.14 and 1,593.40

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Solution

The fourth proportional to 2,937.78, 4,054.14 and 1,593.40 is: 2,198.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,937.78 : 4,054.14 = 1,593.40 : x
  2. Step 2: Convert to fraction form
    2,937.78/4,054.14 = 1,593.40/x
  3. Step 3: Cross multiply
    2,937.78x = 4,054.14 × 1,593.40
  4. Step 4: Simplify right side
    2,937.78x = 6,459,866.68
  5. Step 5: Solve for x
    x = 6,459,866.68/2,937.78
  6. Step 6: Final answer
    x = 2,198.89

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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.