Home / 6,690.85-10,033.36-3,570.16

Finding the Fourth Proportional to 6,690.85, 10,033.36 and 3,570.16

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Solution

The fourth proportional to 6,690.85, 10,033.36 and 3,570.16 is: 5,353.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,690.85 : 10,033.36 = 3,570.16 : x
  2. Step 2: Convert to fraction form
    6,690.85/10,033.36 = 3,570.16/x
  3. Step 3: Cross multiply
    6,690.85x = 10,033.36 × 3,570.16
  4. Step 4: Simplify right side
    6,690.85x = 35,820,700.54
  5. Step 5: Solve for x
    x = 35,820,700.54/6,690.85
  6. Step 6: Final answer
    x = 5,353.68

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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.