Home / 4,008.78-6,015.33-1,670.40

Finding the Fourth Proportional to 4,008.78, 6,015.33 and 1,670.40

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Solution

The fourth proportional to 4,008.78, 6,015.33 and 1,670.40 is: 2,506.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,008.78 : 6,015.33 = 1,670.40 : x
  2. Step 2: Convert to fraction form
    4,008.78/6,015.33 = 1,670.40/x
  3. Step 3: Cross multiply
    4,008.78x = 6,015.33 × 1,670.40
  4. Step 4: Simplify right side
    4,008.78x = 10,048,007.23
  5. Step 5: Solve for x
    x = 10,048,007.23/4,008.78
  6. Step 6: Final answer
    x = 2,506.50

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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.