Home / 2,740.88-4,111.32-2,503.28

Finding the Fourth Proportional to 2,740.88, 4,111.32 and 2,503.28

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Solution

The fourth proportional to 2,740.88, 4,111.32 and 2,503.28 is: 3,754.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740.88 : 4,111.32 = 2,503.28 : x
  2. Step 2: Convert to fraction form
    2,740.88/4,111.32 = 2,503.28/x
  3. Step 3: Cross multiply
    2,740.88x = 4,111.32 × 2,503.28
  4. Step 4: Simplify right side
    2,740.88x = 10,291,785.13
  5. Step 5: Solve for x
    x = 10,291,785.13/2,740.88
  6. Step 6: Final answer
    x = 3,754.92

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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.