Home / 3,035.34-4,188.69-1,690.95

Finding the Fourth Proportional to 3,035.34, 4,188.69 and 1,690.95

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Solution

The fourth proportional to 3,035.34, 4,188.69 and 1,690.95 is: 2,333.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,035.34 : 4,188.69 = 1,690.95 : x
  2. Step 2: Convert to fraction form
    3,035.34/4,188.69 = 1,690.95/x
  3. Step 3: Cross multiply
    3,035.34x = 4,188.69 × 1,690.95
  4. Step 4: Simplify right side
    3,035.34x = 7,082,865.36
  5. Step 5: Solve for x
    x = 7,082,865.36/3,035.34
  6. Step 6: Final answer
    x = 2,333.47

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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.