Home / 2,765.14-3,818.34-1,883.08

Finding the Fourth Proportional to 2,765.14, 3,818.34 and 1,883.08

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Solution

The fourth proportional to 2,765.14, 3,818.34 and 1,883.08 is: 2,600.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765.14 : 3,818.34 = 1,883.08 : x
  2. Step 2: Convert to fraction form
    2,765.14/3,818.34 = 1,883.08/x
  3. Step 3: Cross multiply
    2,765.14x = 3,818.34 × 1,883.08
  4. Step 4: Simplify right side
    2,765.14x = 7,190,239.69
  5. Step 5: Solve for x
    x = 7,190,239.69/2,765.14
  6. Step 6: Final answer
    x = 2,600.32

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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.