Home / 6,895.56-9,515.80-3,751.76

Finding the Fourth Proportional to 6,895.56, 9,515.80 and 3,751.76

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Solution

The fourth proportional to 6,895.56, 9,515.80 and 3,751.76 is: 5,177.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,895.56 : 9,515.80 = 3,751.76 : x
  2. Step 2: Convert to fraction form
    6,895.56/9,515.80 = 3,751.76/x
  3. Step 3: Cross multiply
    6,895.56x = 9,515.80 × 3,751.76
  4. Step 4: Simplify right side
    6,895.56x = 35,700,997.81
  5. Step 5: Solve for x
    x = 35,700,997.81/6,895.56
  6. Step 6: Final answer
    x = 5,177.39

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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.