Home / 2,075.87-3,110.56-1,304.75

Finding the Fourth Proportional to 2,075.87, 3,110.56 and 1,304.75

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Solution

The fourth proportional to 2,075.87, 3,110.56 and 1,304.75 is: 1,955.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075.87 : 3,110.56 = 1,304.75 : x
  2. Step 2: Convert to fraction form
    2,075.87/3,110.56 = 1,304.75/x
  3. Step 3: Cross multiply
    2,075.87x = 3,110.56 × 1,304.75
  4. Step 4: Simplify right side
    2,075.87x = 4,058,503.16
  5. Step 5: Solve for x
    x = 4,058,503.16/2,075.87
  6. Step 6: Final answer
    x = 1,955.09

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