Home / 3,498.34-4,821.78-2,317.36

Finding the Fourth Proportional to 3,498.34, 4,821.78 and 2,317.36

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Solution

The fourth proportional to 3,498.34, 4,821.78 and 2,317.36 is: 3,194.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,498.34 : 4,821.78 = 2,317.36 : x
  2. Step 2: Convert to fraction form
    3,498.34/4,821.78 = 2,317.36/x
  3. Step 3: Cross multiply
    3,498.34x = 4,821.78 × 2,317.36
  4. Step 4: Simplify right side
    3,498.34x = 11,173,800.10
  5. Step 5: Solve for x
    x = 11,173,800.10/3,498.34
  6. Step 6: Final answer
    x = 3,194.03

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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.