Home / 5,215.37-7,820.60-3,024.72

Finding the Fourth Proportional to 5,215.37, 7,820.60 and 3,024.72

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Solution

The fourth proportional to 5,215.37, 7,820.60 and 3,024.72 is: 4,535.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,215.37 : 7,820.60 = 3,024.72 : x
  2. Step 2: Convert to fraction form
    5,215.37/7,820.60 = 3,024.72/x
  3. Step 3: Cross multiply
    5,215.37x = 7,820.60 × 3,024.72
  4. Step 4: Simplify right side
    5,215.37x = 23,655,110.11
  5. Step 5: Solve for x
    x = 23,655,110.11/5,215.37
  6. Step 6: Final answer
    x = 4,535.66

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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.