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Finding the Fourth Proportional to 5,890.95, 8,820.59 and 5,143.52

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Solution

The fourth proportional to 5,890.95, 8,820.59 and 5,143.52 is: 7,701.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,890.95 : 8,820.59 = 5,143.52 : x
  2. Step 2: Convert to fraction form
    5,890.95/8,820.59 = 5,143.52/x
  3. Step 3: Cross multiply
    5,890.95x = 8,820.59 × 5,143.52
  4. Step 4: Simplify right side
    5,890.95x = 45,368,811.26
  5. Step 5: Solve for x
    x = 45,368,811.26/5,890.95
  6. Step 6: Final answer
    x = 7,701.44

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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.