Home / 5,070.24-7,604.64-2,148.48

Finding the Fourth Proportional to 5,070.24, 7,604.64 and 2,148.48

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Solution

The fourth proportional to 5,070.24, 7,604.64 and 2,148.48 is: 3,222.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,070.24 : 7,604.64 = 2,148.48 : x
  2. Step 2: Convert to fraction form
    5,070.24/7,604.64 = 2,148.48/x
  3. Step 3: Cross multiply
    5,070.24x = 7,604.64 × 2,148.48
  4. Step 4: Simplify right side
    5,070.24x = 16,338,416.95
  5. Step 5: Solve for x
    x = 16,338,416.95/5,070.24
  6. Step 6: Final answer
    x = 3,222.41

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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.