Home / 2,636.68-3,640.26-1,852.84

Finding the Fourth Proportional to 2,636.68, 3,640.26 and 1,852.84

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Solution

The fourth proportional to 2,636.68, 3,640.26 and 1,852.84 is: 2,558.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,636.68 : 3,640.26 = 1,852.84 : x
  2. Step 2: Convert to fraction form
    2,636.68/3,640.26 = 1,852.84/x
  3. Step 3: Cross multiply
    2,636.68x = 3,640.26 × 1,852.84
  4. Step 4: Simplify right side
    2,636.68x = 6,744,819.34
  5. Step 5: Solve for x
    x = 6,744,819.34/2,636.68
  6. Step 6: Final answer
    x = 2,558.07

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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.