Home / 5,239.65-7,858.26-2,316.36

Finding the Fourth Proportional to 5,239.65, 7,858.26 and 2,316.36

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Solution

The fourth proportional to 5,239.65, 7,858.26 and 2,316.36 is: 3,474.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.65 : 7,858.26 = 2,316.36 : x
  2. Step 2: Convert to fraction form
    5,239.65/7,858.26 = 2,316.36/x
  3. Step 3: Cross multiply
    5,239.65x = 7,858.26 × 2,316.36
  4. Step 4: Simplify right side
    5,239.65x = 18,202,559.13
  5. Step 5: Solve for x
    x = 18,202,559.13/5,239.65
  6. Step 6: Final answer
    x = 3,474.00

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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.