Home / 5,426.27-7,485.44-3,433.40

Finding the Fourth Proportional to 5,426.27, 7,485.44 and 3,433.40

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Solution

The fourth proportional to 5,426.27, 7,485.44 and 3,433.40 is: 4,736.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426.27 : 7,485.44 = 3,433.40 : x
  2. Step 2: Convert to fraction form
    5,426.27/7,485.44 = 3,433.40/x
  3. Step 3: Cross multiply
    5,426.27x = 7,485.44 × 3,433.40
  4. Step 4: Simplify right side
    5,426.27x = 25,700,455.10
  5. Step 5: Solve for x
    x = 25,700,455.10/5,426.27
  6. Step 6: Final answer
    x = 4,736.31

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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.