Home / 2,520.85-3,764.28-2,059.54

Finding the Fourth Proportional to 2,520.85, 3,764.28 and 2,059.54

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Solution

The fourth proportional to 2,520.85, 3,764.28 and 2,059.54 is: 3,075.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,520.85 : 3,764.28 = 2,059.54 : x
  2. Step 2: Convert to fraction form
    2,520.85/3,764.28 = 2,059.54/x
  3. Step 3: Cross multiply
    2,520.85x = 3,764.28 × 2,059.54
  4. Step 4: Simplify right side
    2,520.85x = 7,752,656.11
  5. Step 5: Solve for x
    x = 7,752,656.11/2,520.85
  6. Step 6: Final answer
    x = 3,075.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.