Home / 2,930.54-4,044.29-2,186.51

Finding the Fourth Proportional to 2,930.54, 4,044.29 and 2,186.51

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Solution

The fourth proportional to 2,930.54, 4,044.29 and 2,186.51 is: 3,017.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.54 : 4,044.29 = 2,186.51 : x
  2. Step 2: Convert to fraction form
    2,930.54/4,044.29 = 2,186.51/x
  3. Step 3: Cross multiply
    2,930.54x = 4,044.29 × 2,186.51
  4. Step 4: Simplify right side
    2,930.54x = 8,842,849.37
  5. Step 5: Solve for x
    x = 8,842,849.37/2,930.54
  6. Step 6: Final answer
    x = 3,017.49

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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.