Home / 7,260.31-10,021.08-4,118.32

Finding the Fourth Proportional to 7,260.31, 10,021.08 and 4,118.32

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Solution

The fourth proportional to 7,260.31, 10,021.08 and 4,118.32 is: 5,684.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,260.31 : 10,021.08 = 4,118.32 : x
  2. Step 2: Convert to fraction form
    7,260.31/10,021.08 = 4,118.32/x
  3. Step 3: Cross multiply
    7,260.31x = 10,021.08 × 4,118.32
  4. Step 4: Simplify right side
    7,260.31x = 41,270,014.19
  5. Step 5: Solve for x
    x = 41,270,014.19/7,260.31
  6. Step 6: Final answer
    x = 5,684.33

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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.