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Finding the Fourth Proportional to 5,890.90, 8,130.09 and 3,373.42

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Solution

The fourth proportional to 5,890.90, 8,130.09 and 3,373.42 is: 4,655.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,890.90 : 8,130.09 = 3,373.42 : x
  2. Step 2: Convert to fraction form
    5,890.90/8,130.09 = 3,373.42/x
  3. Step 3: Cross multiply
    5,890.90x = 8,130.09 × 3,373.42
  4. Step 4: Simplify right side
    5,890.90x = 27,426,208.21
  5. Step 5: Solve for x
    x = 27,426,208.21/5,890.90
  6. Step 6: Final answer
    x = 4,655.69

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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.