Home / 5,147.12-7,099.28-3,259.01

Finding the Fourth Proportional to 5,147.12, 7,099.28 and 3,259.01

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Solution

The fourth proportional to 5,147.12, 7,099.28 and 3,259.01 is: 4,495.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,147.12 : 7,099.28 = 3,259.01 : x
  2. Step 2: Convert to fraction form
    5,147.12/7,099.28 = 3,259.01/x
  3. Step 3: Cross multiply
    5,147.12x = 7,099.28 × 3,259.01
  4. Step 4: Simplify right side
    5,147.12x = 23,136,608.22
  5. Step 5: Solve for x
    x = 23,136,608.22/5,147.12
  6. Step 6: Final answer
    x = 4,495.06

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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.