Home / 5,675.24-8,512.60-1,515.16

Finding the Fourth Proportional to 5,675.24, 8,512.60 and 1,515.16

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Solution

The fourth proportional to 5,675.24, 8,512.60 and 1,515.16 is: 2,272.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,675.24 : 8,512.60 = 1,515.16 : x
  2. Step 2: Convert to fraction form
    5,675.24/8,512.60 = 1,515.16/x
  3. Step 3: Cross multiply
    5,675.24x = 8,512.60 × 1,515.16
  4. Step 4: Simplify right side
    5,675.24x = 12,897,951.02
  5. Step 5: Solve for x
    x = 12,897,951.02/5,675.24
  6. Step 6: Final answer
    x = 2,272.67

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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.