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Finding the Fourth Proportional to 5,588.04, 8,382.08 and 1,890.30

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Solution

The fourth proportional to 5,588.04, 8,382.08 and 1,890.30 is: 2,835.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,588.04 : 8,382.08 = 1,890.30 : x
  2. Step 2: Convert to fraction form
    5,588.04/8,382.08 = 1,890.30/x
  3. Step 3: Cross multiply
    5,588.04x = 8,382.08 × 1,890.30
  4. Step 4: Simplify right side
    5,588.04x = 15,844,645.82
  5. Step 5: Solve for x
    x = 15,844,645.82/5,588.04
  6. Step 6: Final answer
    x = 2,835.46

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Similar ratio
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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.