Home / 3,059.02-4,221.72-1,732.81

Finding the Fourth Proportional to 3,059.02, 4,221.72 and 1,732.81

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Solution

The fourth proportional to 3,059.02, 4,221.72 and 1,732.81 is: 2,391.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,059.02 : 4,221.72 = 1,732.81 : x
  2. Step 2: Convert to fraction form
    3,059.02/4,221.72 = 1,732.81/x
  3. Step 3: Cross multiply
    3,059.02x = 4,221.72 × 1,732.81
  4. Step 4: Simplify right side
    3,059.02x = 7,315,438.63
  5. Step 5: Solve for x
    x = 7,315,438.63/3,059.02
  6. Step 6: Final answer
    x = 2,391.43

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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.