Home / 1,939.09-2,894.42-1,666.93

Finding the Fourth Proportional to 1,939.09, 2,894.42 and 1,666.93

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Solution

The fourth proportional to 1,939.09, 2,894.42 and 1,666.93 is: 2,488.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939.09 : 2,894.42 = 1,666.93 : x
  2. Step 2: Convert to fraction form
    1,939.09/2,894.42 = 1,666.93/x
  3. Step 3: Cross multiply
    1,939.09x = 2,894.42 × 1,666.93
  4. Step 4: Simplify right side
    1,939.09x = 4,824,795.53
  5. Step 5: Solve for x
    x = 4,824,795.53/1,939.09
  6. Step 6: Final answer
    x = 2,488.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.