Home / 2,520.60-3,763.92-2,059.28

Finding the Fourth Proportional to 2,520.60, 3,763.92 and 2,059.28

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Solution

The fourth proportional to 2,520.60, 3,763.92 and 2,059.28 is: 3,075.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,520.60 : 3,763.92 = 2,059.28 : x
  2. Step 2: Convert to fraction form
    2,520.60/3,763.92 = 2,059.28/x
  3. Step 3: Cross multiply
    2,520.60x = 3,763.92 × 2,059.28
  4. Step 4: Simplify right side
    2,520.60x = 7,750,965.18
  5. Step 5: Solve for x
    x = 7,750,965.18/2,520.60
  6. Step 6: Final answer
    x = 3,075.05

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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.