Home / 5,009.16-7,512.51-2,087.49

Finding the Fourth Proportional to 5,009.16, 7,512.51 and 2,087.49

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Solution

The fourth proportional to 5,009.16, 7,512.51 and 2,087.49 is: 3,130.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,009.16 : 7,512.51 = 2,087.49 : x
  2. Step 2: Convert to fraction form
    5,009.16/7,512.51 = 2,087.49/x
  3. Step 3: Cross multiply
    5,009.16x = 7,512.51 × 2,087.49
  4. Step 4: Simplify right side
    5,009.16x = 15,682,289.50
  5. Step 5: Solve for x
    x = 15,682,289.50/5,009.16
  6. Step 6: Final answer
    x = 3,130.72

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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.