Home / 2,445.24-3,375.20-1,563.42

Finding the Fourth Proportional to 2,445.24, 3,375.20 and 1,563.42

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Solution

The fourth proportional to 2,445.24, 3,375.20 and 1,563.42 is: 2,158.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,445.24 : 3,375.20 = 1,563.42 : x
  2. Step 2: Convert to fraction form
    2,445.24/3,375.20 = 1,563.42/x
  3. Step 3: Cross multiply
    2,445.24x = 3,375.20 × 1,563.42
  4. Step 4: Simplify right side
    2,445.24x = 5,276,855.18
  5. Step 5: Solve for x
    x = 5,276,855.18/2,445.24
  6. Step 6: Final answer
    x = 2,158.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.