Home / 1,851.81-2,555.47-1,105.94

Finding the Fourth Proportional to 1,851.81, 2,555.47 and 1,105.94

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Solution

The fourth proportional to 1,851.81, 2,555.47 and 1,105.94 is: 1,526.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851.81 : 2,555.47 = 1,105.94 : x
  2. Step 2: Convert to fraction form
    1,851.81/2,555.47 = 1,105.94/x
  3. Step 3: Cross multiply
    1,851.81x = 2,555.47 × 1,105.94
  4. Step 4: Simplify right side
    1,851.81x = 2,826,187.34
  5. Step 5: Solve for x
    x = 2,826,187.34/1,851.81
  6. Step 6: Final answer
    x = 1,526.17

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.