Home / 1,596.10-2,399.55-1,274.98

Finding the Fourth Proportional to 1,596.10, 2,399.55 and 1,274.98

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Solution

The fourth proportional to 1,596.10, 2,399.55 and 1,274.98 is: 1,916.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,596.10 : 2,399.55 = 1,274.98 : x
  2. Step 2: Convert to fraction form
    1,596.10/2,399.55 = 1,274.98/x
  3. Step 3: Cross multiply
    1,596.10x = 2,399.55 × 1,274.98
  4. Step 4: Simplify right side
    1,596.10x = 3,059,378.26
  5. Step 5: Solve for x
    x = 3,059,378.26/1,596.10
  6. Step 6: Final answer
    x = 1,916.78

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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.