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Finding the Fourth Proportional to 5,588.95, 8,382.63 and 1,890.68

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Solution

The fourth proportional to 5,588.95, 8,382.63 and 1,890.68 is: 2,835.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,588.95 : 8,382.63 = 1,890.68 : x
  2. Step 2: Convert to fraction form
    5,588.95/8,382.63 = 1,890.68/x
  3. Step 3: Cross multiply
    5,588.95x = 8,382.63 × 1,890.68
  4. Step 4: Simplify right side
    5,588.95x = 15,848,870.89
  5. Step 5: Solve for x
    x = 15,848,870.89/5,588.95
  6. Step 6: Final answer
    x = 2,835.75

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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.