Home / 2,073.63-2,861.88-1,575.42

Finding the Fourth Proportional to 2,073.63, 2,861.88 and 1,575.42

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Solution

The fourth proportional to 2,073.63, 2,861.88 and 1,575.42 is: 2,174.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,073.63 : 2,861.88 = 1,575.42 : x
  2. Step 2: Convert to fraction form
    2,073.63/2,861.88 = 1,575.42/x
  3. Step 3: Cross multiply
    2,073.63x = 2,861.88 × 1,575.42
  4. Step 4: Simplify right side
    2,073.63x = 4,508,662.99
  5. Step 5: Solve for x
    x = 4,508,662.99/2,073.63
  6. Step 6: Final answer
    x = 2,174.29

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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.