Home / 5,681.21-7,837.87-4,192.70

Finding the Fourth Proportional to 5,681.21, 7,837.87 and 4,192.70

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Solution

The fourth proportional to 5,681.21, 7,837.87 and 4,192.70 is: 5,784.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,681.21 : 7,837.87 = 4,192.70 : x
  2. Step 2: Convert to fraction form
    5,681.21/7,837.87 = 4,192.70/x
  3. Step 3: Cross multiply
    5,681.21x = 7,837.87 × 4,192.70
  4. Step 4: Simplify right side
    5,681.21x = 32,861,837.55
  5. Step 5: Solve for x
    x = 32,861,837.55/5,681.21
  6. Step 6: Final answer
    x = 5,784.30

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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.