Home / 5,075.46-7,612.73-1,788.38

Finding the Fourth Proportional to 5,075.46, 7,612.73 and 1,788.38

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Solution

The fourth proportional to 5,075.46, 7,612.73 and 1,788.38 is: 2,682.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,075.46 : 7,612.73 = 1,788.38 : x
  2. Step 2: Convert to fraction form
    5,075.46/7,612.73 = 1,788.38/x
  3. Step 3: Cross multiply
    5,075.46x = 7,612.73 × 1,788.38
  4. Step 4: Simplify right side
    5,075.46x = 13,614,454.08
  5. Step 5: Solve for x
    x = 13,614,454.08/5,075.46
  6. Step 6: Final answer
    x = 2,682.41

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1.5x scale

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.