Home / 4,491.12-6,737.15-1,720.13

Finding the Fourth Proportional to 4,491.12, 6,737.15 and 1,720.13

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Solution

The fourth proportional to 4,491.12, 6,737.15 and 1,720.13 is: 2,580.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,491.12 : 6,737.15 = 1,720.13 : x
  2. Step 2: Convert to fraction form
    4,491.12/6,737.15 = 1,720.13/x
  3. Step 3: Cross multiply
    4,491.12x = 6,737.15 × 1,720.13
  4. Step 4: Simplify right side
    4,491.12x = 11,588,731.54
  5. Step 5: Solve for x
    x = 11,588,731.54/4,491.12
  6. Step 6: Final answer
    x = 2,580.37

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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.