Home / 4,030.32-5,553.72-2,786.16

Finding the Fourth Proportional to 4,030.32, 5,553.72 and 2,786.16

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Solution

The fourth proportional to 4,030.32, 5,553.72 and 2,786.16 is: 3,839.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,030.32 : 5,553.72 = 2,786.16 : x
  2. Step 2: Convert to fraction form
    4,030.32/5,553.72 = 2,786.16/x
  3. Step 3: Cross multiply
    4,030.32x = 5,553.72 × 2,786.16
  4. Step 4: Simplify right side
    4,030.32x = 15,473,552.52
  5. Step 5: Solve for x
    x = 15,473,552.52/4,030.32
  6. Step 6: Final answer
    x = 3,839.29

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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.