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Finding the Fourth Proportional to 5,831.97, 8,699.43 and 5,271.45

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Solution

The fourth proportional to 5,831.97, 8,699.43 and 5,271.45 is: 7,863.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,831.97 : 8,699.43 = 5,271.45 : x
  2. Step 2: Convert to fraction form
    5,831.97/8,699.43 = 5,271.45/x
  3. Step 3: Cross multiply
    5,831.97x = 8,699.43 × 5,271.45
  4. Step 4: Simplify right side
    5,831.97x = 45,858,610.27
  5. Step 5: Solve for x
    x = 45,858,610.27/5,831.97
  6. Step 6: Final answer
    x = 7,863.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.