Home / 2,910.07-4,365.97-1,678.37

Finding the Fourth Proportional to 2,910.07, 4,365.97 and 1,678.37

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Solution

The fourth proportional to 2,910.07, 4,365.97 and 1,678.37 is: 2,518.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.07 : 4,365.97 = 1,678.37 : x
  2. Step 2: Convert to fraction form
    2,910.07/4,365.97 = 1,678.37/x
  3. Step 3: Cross multiply
    2,910.07x = 4,365.97 × 1,678.37
  4. Step 4: Simplify right side
    2,910.07x = 7,327,683.90
  5. Step 5: Solve for x
    x = 7,327,683.90/2,910.07
  6. Step 6: Final answer
    x = 2,518.04

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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.