Home / 1,486.42-2,228.04-1,075.36

Finding the Fourth Proportional to 1,486.42, 2,228.04 and 1,075.36

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Solution

The fourth proportional to 1,486.42, 2,228.04 and 1,075.36 is: 1,611.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486.42 : 2,228.04 = 1,075.36 : x
  2. Step 2: Convert to fraction form
    1,486.42/2,228.04 = 1,075.36/x
  3. Step 3: Cross multiply
    1,486.42x = 2,228.04 × 1,075.36
  4. Step 4: Simplify right side
    1,486.42x = 2,395,945.09
  5. Step 5: Solve for x
    x = 2,395,945.09/1,486.42
  6. Step 6: Final answer
    x = 1,611.89

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Why These Related Problems?

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