Home / 5,087.06-7,631.36-1,800.19

Finding the Fourth Proportional to 5,087.06, 7,631.36 and 1,800.19

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Solution

The fourth proportional to 5,087.06, 7,631.36 and 1,800.19 is: 2,700.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.06 : 7,631.36 = 1,800.19 : x
  2. Step 2: Convert to fraction form
    5,087.06/7,631.36 = 1,800.19/x
  3. Step 3: Cross multiply
    5,087.06x = 7,631.36 × 1,800.19
  4. Step 4: Simplify right side
    5,087.06x = 13,737,897.96
  5. Step 5: Solve for x
    x = 13,737,897.96/5,087.06
  6. Step 6: Final answer
    x = 2,700.56

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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.