Home / 1,923.08-2,654.19-1,137.51

Finding the Fourth Proportional to 1,923.08, 2,654.19 and 1,137.51

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Solution

The fourth proportional to 1,923.08, 2,654.19 and 1,137.51 is: 1,569.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923.08 : 2,654.19 = 1,137.51 : x
  2. Step 2: Convert to fraction form
    1,923.08/2,654.19 = 1,137.51/x
  3. Step 3: Cross multiply
    1,923.08x = 2,654.19 × 1,137.51
  4. Step 4: Simplify right side
    1,923.08x = 3,019,167.67
  5. Step 5: Solve for x
    x = 3,019,167.67/1,923.08
  6. Step 6: Final answer
    x = 1,569.97

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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.