Home / 7,091.87-10,617.80-3,752.56

Finding the Fourth Proportional to 7,091.87, 10,617.80 and 3,752.56

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Solution

The fourth proportional to 7,091.87, 10,617.80 and 3,752.56 is: 5,618.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,091.87 : 10,617.80 = 3,752.56 : x
  2. Step 2: Convert to fraction form
    7,091.87/10,617.80 = 3,752.56/x
  3. Step 3: Cross multiply
    7,091.87x = 10,617.80 × 3,752.56
  4. Step 4: Simplify right side
    7,091.87x = 39,843,931.57
  5. Step 5: Solve for x
    x = 39,843,931.57/7,091.87
  6. Step 6: Final answer
    x = 5,618.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.