Home / 2,094.90-3,140.55-1,876.20

Finding the Fourth Proportional to 2,094.90, 3,140.55 and 1,876.20

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Solution

The fourth proportional to 2,094.90, 3,140.55 and 1,876.20 is: 2,812.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,094.90 : 3,140.55 = 1,876.20 : x
  2. Step 2: Convert to fraction form
    2,094.90/3,140.55 = 1,876.20/x
  3. Step 3: Cross multiply
    2,094.90x = 3,140.55 × 1,876.20
  4. Step 4: Simplify right side
    2,094.90x = 5,892,299.91
  5. Step 5: Solve for x
    x = 5,892,299.91/2,094.90
  6. Step 6: Final answer
    x = 2,812.69

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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.