Home / 1,905.18-2,625.27-1,806.36

Finding the Fourth Proportional to 1,905.18, 2,625.27 and 1,806.36

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Solution

The fourth proportional to 1,905.18, 2,625.27 and 1,806.36 is: 2,489.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905.18 : 2,625.27 = 1,806.36 : x
  2. Step 2: Convert to fraction form
    1,905.18/2,625.27 = 1,806.36/x
  3. Step 3: Cross multiply
    1,905.18x = 2,625.27 × 1,806.36
  4. Step 4: Simplify right side
    1,905.18x = 4,742,182.72
  5. Step 5: Solve for x
    x = 4,742,182.72/1,905.18
  6. Step 6: Final answer
    x = 2,489.10

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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.