Home / 2,954.99-4,079.37-2,290.35

Finding the Fourth Proportional to 2,954.99, 4,079.37 and 2,290.35

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Solution

The fourth proportional to 2,954.99, 4,079.37 and 2,290.35 is: 3,161.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,954.99 : 4,079.37 = 2,290.35 : x
  2. Step 2: Convert to fraction form
    2,954.99/4,079.37 = 2,290.35/x
  3. Step 3: Cross multiply
    2,954.99x = 4,079.37 × 2,290.35
  4. Step 4: Simplify right side
    2,954.99x = 9,343,173.63
  5. Step 5: Solve for x
    x = 9,343,173.63/2,954.99
  6. Step 6: Final answer
    x = 3,161.83

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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.