Home / 1,340.94-1,849.50-1,075.09

Finding the Fourth Proportional to 1,340.94, 1,849.50 and 1,075.09

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Solution

The fourth proportional to 1,340.94, 1,849.50 and 1,075.09 is: 1,482.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340.94 : 1,849.50 = 1,075.09 : x
  2. Step 2: Convert to fraction form
    1,340.94/1,849.50 = 1,075.09/x
  3. Step 3: Cross multiply
    1,340.94x = 1,849.50 × 1,075.09
  4. Step 4: Simplify right side
    1,340.94x = 1,988,365.46
  5. Step 5: Solve for x
    x = 1,988,365.46/1,340.94
  6. Step 6: Final answer
    x = 1,482.81

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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.