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Finding the Fourth Proportional to 5,800.81, 8,060.65 and 5,740.60

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Solution

The fourth proportional to 5,800.81, 8,060.65 and 5,740.60 is: 7,976.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,800.81 : 8,060.65 = 5,740.60 : x
  2. Step 2: Convert to fraction form
    5,800.81/8,060.65 = 5,740.60/x
  3. Step 3: Cross multiply
    5,800.81x = 8,060.65 × 5,740.60
  4. Step 4: Simplify right side
    5,800.81x = 46,272,967.39
  5. Step 5: Solve for x
    x = 46,272,967.39/5,800.81
  6. Step 6: Final answer
    x = 7,976.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.