Home / 5,388.22-7,436.09-3,030.33

Finding the Fourth Proportional to 5,388.22, 7,436.09 and 3,030.33

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Solution

The fourth proportional to 5,388.22, 7,436.09 and 3,030.33 is: 4,182.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.22 : 7,436.09 = 3,030.33 : x
  2. Step 2: Convert to fraction form
    5,388.22/7,436.09 = 3,030.33/x
  3. Step 3: Cross multiply
    5,388.22x = 7,436.09 × 3,030.33
  4. Step 4: Simplify right side
    5,388.22x = 22,533,806.61
  5. Step 5: Solve for x
    x = 22,533,806.61/5,388.22
  6. Step 6: Final answer
    x = 4,182.05

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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.