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Finding the Fourth Proportional to 5,182.51, 7,144.62 and 4,382.62

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Solution

The fourth proportional to 5,182.51, 7,144.62 and 4,382.62 is: 6,041.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182.51 : 7,144.62 = 4,382.62 : x
  2. Step 2: Convert to fraction form
    5,182.51/7,144.62 = 4,382.62/x
  3. Step 3: Cross multiply
    5,182.51x = 7,144.62 × 4,382.62
  4. Step 4: Simplify right side
    5,182.51x = 31,312,172.37
  5. Step 5: Solve for x
    x = 31,312,172.37/5,182.51
  6. Step 6: Final answer
    x = 6,041.89

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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.