Home / 5,247.27-7,242.02-3,986.25

Finding the Fourth Proportional to 5,247.27, 7,242.02 and 3,986.25

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Solution

The fourth proportional to 5,247.27, 7,242.02 and 3,986.25 is: 5,501.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247.27 : 7,242.02 = 3,986.25 : x
  2. Step 2: Convert to fraction form
    5,247.27/7,242.02 = 3,986.25/x
  3. Step 3: Cross multiply
    5,247.27x = 7,242.02 × 3,986.25
  4. Step 4: Simplify right side
    5,247.27x = 28,868,502.23
  5. Step 5: Solve for x
    x = 28,868,502.23/5,247.27
  6. Step 6: Final answer
    x = 5,501.62

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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.