Home / 5,063.12-6,986.90-2,938.54

Finding the Fourth Proportional to 5,063.12, 6,986.90 and 2,938.54

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Solution

The fourth proportional to 5,063.12, 6,986.90 and 2,938.54 is: 4,055.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,063.12 : 6,986.90 = 2,938.54 : x
  2. Step 2: Convert to fraction form
    5,063.12/6,986.90 = 2,938.54/x
  3. Step 3: Cross multiply
    5,063.12x = 6,986.90 × 2,938.54
  4. Step 4: Simplify right side
    5,063.12x = 20,531,285.13
  5. Step 5: Solve for x
    x = 20,531,285.13/5,063.12
  6. Step 6: Final answer
    x = 4,055.07

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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.