Home / 5,075.26-7,614.10-1,788.68

Finding the Fourth Proportional to 5,075.26, 7,614.10 and 1,788.68

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Solution

The fourth proportional to 5,075.26, 7,614.10 and 1,788.68 is: 2,683.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,075.26 : 7,614.10 = 1,788.68 : x
  2. Step 2: Convert to fraction form
    5,075.26/7,614.10 = 1,788.68/x
  3. Step 3: Cross multiply
    5,075.26x = 7,614.10 × 1,788.68
  4. Step 4: Simplify right side
    5,075.26x = 13,619,209.66
  5. Step 5: Solve for x
    x = 13,619,209.66/5,075.26
  6. Step 6: Final answer
    x = 2,683.45

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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.