Home / 5,945.49-8,919.59-3,170.70

Finding the Fourth Proportional to 5,945.49, 8,919.59 and 3,170.70

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Solution

The fourth proportional to 5,945.49, 8,919.59 and 3,170.70 is: 4,756.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,945.49 : 8,919.59 = 3,170.70 : x
  2. Step 2: Convert to fraction form
    5,945.49/8,919.59 = 3,170.70/x
  3. Step 3: Cross multiply
    5,945.49x = 8,919.59 × 3,170.70
  4. Step 4: Simplify right side
    5,945.49x = 28,281,328.16
  5. Step 5: Solve for x
    x = 28,281,328.16/5,945.49
  6. Step 6: Final answer
    x = 4,756.77

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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.