Home / 3,347.92-4,622.40-2,090.89

Finding the Fourth Proportional to 3,347.92, 4,622.40 and 2,090.89

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Solution

The fourth proportional to 3,347.92, 4,622.40 and 2,090.89 is: 2,886.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,347.92 : 4,622.40 = 2,090.89 : x
  2. Step 2: Convert to fraction form
    3,347.92/4,622.40 = 2,090.89/x
  3. Step 3: Cross multiply
    3,347.92x = 4,622.40 × 2,090.89
  4. Step 4: Simplify right side
    3,347.92x = 9,664,929.94
  5. Step 5: Solve for x
    x = 9,664,929.94/3,347.92
  6. Step 6: Final answer
    x = 2,886.85

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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.