Home / 5,884.79-8,124.57-3,897.05

Finding the Fourth Proportional to 5,884.79, 8,124.57 and 3,897.05

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Solution

The fourth proportional to 5,884.79, 8,124.57 and 3,897.05 is: 5,380.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,884.79 : 8,124.57 = 3,897.05 : x
  2. Step 2: Convert to fraction form
    5,884.79/8,124.57 = 3,897.05/x
  3. Step 3: Cross multiply
    5,884.79x = 8,124.57 × 3,897.05
  4. Step 4: Simplify right side
    5,884.79x = 31,661,814.90
  5. Step 5: Solve for x
    x = 31,661,814.90/5,884.79
  6. Step 6: Final answer
    x = 5,380.28

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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.