Home / 4,021.70-5,552.15-2,958.57

Finding the Fourth Proportional to 4,021.70, 5,552.15 and 2,958.57

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Solution

The fourth proportional to 4,021.70, 5,552.15 and 2,958.57 is: 4,084.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,021.70 : 5,552.15 = 2,958.57 : x
  2. Step 2: Convert to fraction form
    4,021.70/5,552.15 = 2,958.57/x
  3. Step 3: Cross multiply
    4,021.70x = 5,552.15 × 2,958.57
  4. Step 4: Simplify right side
    4,021.70x = 16,426,409.63
  5. Step 5: Solve for x
    x = 16,426,409.63/4,021.70
  6. Step 6: Final answer
    x = 4,084.45

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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.