Home / 2,072.00-2,858.96-1,325.39

Finding the Fourth Proportional to 2,072.00, 2,858.96 and 1,325.39

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Solution

The fourth proportional to 2,072.00, 2,858.96 and 1,325.39 is: 1,828.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072.00 : 2,858.96 = 1,325.39 : x
  2. Step 2: Convert to fraction form
    2,072.00/2,858.96 = 1,325.39/x
  3. Step 3: Cross multiply
    2,072.00x = 2,858.96 × 1,325.39
  4. Step 4: Simplify right side
    2,072.00x = 3,789,226.01
  5. Step 5: Solve for x
    x = 3,789,226.01/2,072.00
  6. Step 6: Final answer
    x = 1,828.77

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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.