Home / 5,408.01-8,108.73-2,117.16

Finding the Fourth Proportional to 5,408.01, 8,108.73 and 2,117.16

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Solution

The fourth proportional to 5,408.01, 8,108.73 and 2,117.16 is: 3,174.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,408.01 : 8,108.73 = 2,117.16 : x
  2. Step 2: Convert to fraction form
    5,408.01/8,108.73 = 2,117.16/x
  3. Step 3: Cross multiply
    5,408.01x = 8,108.73 × 2,117.16
  4. Step 4: Simplify right side
    5,408.01x = 17,167,478.81
  5. Step 5: Solve for x
    x = 17,167,478.81/5,408.01
  6. Step 6: Final answer
    x = 3,174.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.