Home / 3,903.48-5,370.44-3,407.27

Finding the Fourth Proportional to 3,903.48, 5,370.44 and 3,407.27

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Solution

The fourth proportional to 3,903.48, 5,370.44 and 3,407.27 is: 4,687.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903.48 : 5,370.44 = 3,407.27 : x
  2. Step 2: Convert to fraction form
    3,903.48/5,370.44 = 3,407.27/x
  3. Step 3: Cross multiply
    3,903.48x = 5,370.44 × 3,407.27
  4. Step 4: Simplify right side
    3,903.48x = 18,298,495.21
  5. Step 5: Solve for x
    x = 18,298,495.21/3,903.48
  6. Step 6: Final answer
    x = 4,687.74

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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.