Home / 3,272.53-4,516.05-1,780.45

Finding the Fourth Proportional to 3,272.53, 4,516.05 and 1,780.45

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Solution

The fourth proportional to 3,272.53, 4,516.05 and 1,780.45 is: 2,457.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,272.53 : 4,516.05 = 1,780.45 : x
  2. Step 2: Convert to fraction form
    3,272.53/4,516.05 = 1,780.45/x
  3. Step 3: Cross multiply
    3,272.53x = 4,516.05 × 1,780.45
  4. Step 4: Simplify right side
    3,272.53x = 8,040,601.22
  5. Step 5: Solve for x
    x = 8,040,601.22/3,272.53
  6. Step 6: Final answer
    x = 2,457.00

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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.