Home / 3,929.85-5,890.59-2,056.59

Finding the Fourth Proportional to 3,929.85, 5,890.59 and 2,056.59

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Solution

The fourth proportional to 3,929.85, 5,890.59 and 2,056.59 is: 3,082.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929.85 : 5,890.59 = 2,056.59 : x
  2. Step 2: Convert to fraction form
    3,929.85/5,890.59 = 2,056.59/x
  3. Step 3: Cross multiply
    3,929.85x = 5,890.59 × 2,056.59
  4. Step 4: Simplify right side
    3,929.85x = 12,114,528.49
  5. Step 5: Solve for x
    x = 12,114,528.49/3,929.85
  6. Step 6: Final answer
    x = 3,082.69

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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.