Home / 5,618.56-7,753.08-3,100.07

Finding the Fourth Proportional to 5,618.56, 7,753.08 and 3,100.07

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Solution

The fourth proportional to 5,618.56, 7,753.08 and 3,100.07 is: 4,277.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.56 : 7,753.08 = 3,100.07 : x
  2. Step 2: Convert to fraction form
    5,618.56/7,753.08 = 3,100.07/x
  3. Step 3: Cross multiply
    5,618.56x = 7,753.08 × 3,100.07
  4. Step 4: Simplify right side
    5,618.56x = 24,035,090.72
  5. Step 5: Solve for x
    x = 24,035,090.72/5,618.56
  6. Step 6: Final answer
    x = 4,277.80

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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.