Home / 3,471.22-4,788.74-2,211.59

Finding the Fourth Proportional to 3,471.22, 4,788.74 and 2,211.59

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Solution

The fourth proportional to 3,471.22, 4,788.74 and 2,211.59 is: 3,051.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,471.22 : 4,788.74 = 2,211.59 : x
  2. Step 2: Convert to fraction form
    3,471.22/4,788.74 = 2,211.59/x
  3. Step 3: Cross multiply
    3,471.22x = 4,788.74 × 2,211.59
  4. Step 4: Simplify right side
    3,471.22x = 10,590,712.45
  5. Step 5: Solve for x
    x = 10,590,712.45/3,471.22
  6. Step 6: Final answer
    x = 3,051.01

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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.