Home / 1,852.22-2,555.21-1,263.55

Finding the Fourth Proportional to 1,852.22, 2,555.21 and 1,263.55

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Solution

The fourth proportional to 1,852.22, 2,555.21 and 1,263.55 is: 1,743.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,852.22 : 2,555.21 = 1,263.55 : x
  2. Step 2: Convert to fraction form
    1,852.22/2,555.21 = 1,263.55/x
  3. Step 3: Cross multiply
    1,852.22x = 2,555.21 × 1,263.55
  4. Step 4: Simplify right side
    1,852.22x = 3,228,635.60
  5. Step 5: Solve for x
    x = 3,228,635.60/1,852.22
  6. Step 6: Final answer
    x = 1,743.12

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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.