Home / 5,301.36-7,951.11-1,406.16

Finding the Fourth Proportional to 5,301.36, 7,951.11 and 1,406.16

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Solution

The fourth proportional to 5,301.36, 7,951.11 and 1,406.16 is: 2,108.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,301.36 : 7,951.11 = 1,406.16 : x
  2. Step 2: Convert to fraction form
    5,301.36/7,951.11 = 1,406.16/x
  3. Step 3: Cross multiply
    5,301.36x = 7,951.11 × 1,406.16
  4. Step 4: Simplify right side
    5,301.36x = 11,180,532.84
  5. Step 5: Solve for x
    x = 11,180,532.84/5,301.36
  6. Step 6: Final answer
    x = 2,108.99

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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.