Home / 6,315.05-8,713.01-3,626.25

Finding the Fourth Proportional to 6,315.05, 8,713.01 and 3,626.25

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Solution

The fourth proportional to 6,315.05, 8,713.01 and 3,626.25 is: 5,003.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,315.05 : 8,713.01 = 3,626.25 : x
  2. Step 2: Convert to fraction form
    6,315.05/8,713.01 = 3,626.25/x
  3. Step 3: Cross multiply
    6,315.05x = 8,713.01 × 3,626.25
  4. Step 4: Simplify right side
    6,315.05x = 31,595,534.38
  5. Step 5: Solve for x
    x = 31,595,534.38/6,315.05
  6. Step 6: Final answer
    x = 5,003.22

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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.