Home / 2,285.55-3,153.03-1,341.40

Finding the Fourth Proportional to 2,285.55, 3,153.03 and 1,341.40

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Solution

The fourth proportional to 2,285.55, 3,153.03 and 1,341.40 is: 1,850.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,285.55 : 3,153.03 = 1,341.40 : x
  2. Step 2: Convert to fraction form
    2,285.55/3,153.03 = 1,341.40/x
  3. Step 3: Cross multiply
    2,285.55x = 3,153.03 × 1,341.40
  4. Step 4: Simplify right side
    2,285.55x = 4,229,474.44
  5. Step 5: Solve for x
    x = 4,229,474.44/2,285.55
  6. Step 6: Final answer
    x = 1,850.53

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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.