Home / 2,740.08-4,111.28-1,008.28

Finding the Fourth Proportional to 2,740.08, 4,111.28 and 1,008.28

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Solution

The fourth proportional to 2,740.08, 4,111.28 and 1,008.28 is: 1,512.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740.08 : 4,111.28 = 1,008.28 : x
  2. Step 2: Convert to fraction form
    2,740.08/4,111.28 = 1,008.28/x
  3. Step 3: Cross multiply
    2,740.08x = 4,111.28 × 1,008.28
  4. Step 4: Simplify right side
    2,740.08x = 4,145,321.40
  5. Step 5: Solve for x
    x = 4,145,321.40/2,740.08
  6. Step 6: Final answer
    x = 1,512.85

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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.