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Finding the Fourth Proportional to 5,799.04, 8,000.48 and 4,290.20

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Solution

The fourth proportional to 5,799.04, 8,000.48 and 4,290.20 is: 5,918.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,799.04 : 8,000.48 = 4,290.20 : x
  2. Step 2: Convert to fraction form
    5,799.04/8,000.48 = 4,290.20/x
  3. Step 3: Cross multiply
    5,799.04x = 8,000.48 × 4,290.20
  4. Step 4: Simplify right side
    5,799.04x = 34,323,637.85
  5. Step 5: Solve for x
    x = 34,323,637.85/5,799.04
  6. Step 6: Final answer
    x = 5,918.85

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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.