Home / 1,905.06-2,858.80-1,646.88

Finding the Fourth Proportional to 1,905.06, 2,858.80 and 1,646.88

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Solution

The fourth proportional to 1,905.06, 2,858.80 and 1,646.88 is: 2,471.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905.06 : 2,858.80 = 1,646.88 : x
  2. Step 2: Convert to fraction form
    1,905.06/2,858.80 = 1,646.88/x
  3. Step 3: Cross multiply
    1,905.06x = 2,858.80 × 1,646.88
  4. Step 4: Simplify right side
    1,905.06x = 4,708,100.54
  5. Step 5: Solve for x
    x = 4,708,100.54/1,905.06
  6. Step 6: Final answer
    x = 2,471.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.