Home / 5,007.95-6,911.57-2,912.07

Finding the Fourth Proportional to 5,007.95, 6,911.57 and 2,912.07

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Solution

The fourth proportional to 5,007.95, 6,911.57 and 2,912.07 is: 4,019.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007.95 : 6,911.57 = 2,912.07 : x
  2. Step 2: Convert to fraction form
    5,007.95/6,911.57 = 2,912.07/x
  3. Step 3: Cross multiply
    5,007.95x = 6,911.57 × 2,912.07
  4. Step 4: Simplify right side
    5,007.95x = 20,126,961.09
  5. Step 5: Solve for x
    x = 20,126,961.09/5,007.95
  6. Step 6: Final answer
    x = 4,019.01

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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.