Home / 5,445.07-7,515.24-3,087.22

Finding the Fourth Proportional to 5,445.07, 7,515.24 and 3,087.22

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Solution

The fourth proportional to 5,445.07, 7,515.24 and 3,087.22 is: 4,260.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.07 : 7,515.24 = 3,087.22 : x
  2. Step 2: Convert to fraction form
    5,445.07/7,515.24 = 3,087.22/x
  3. Step 3: Cross multiply
    5,445.07x = 7,515.24 × 3,087.22
  4. Step 4: Simplify right side
    5,445.07x = 23,201,199.23
  5. Step 5: Solve for x
    x = 23,201,199.23/5,445.07
  6. Step 6: Final answer
    x = 4,260.96

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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.