Home / 5,204.81-7,182.67-3,080.32

Finding the Fourth Proportional to 5,204.81, 7,182.67 and 3,080.32

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Solution

The fourth proportional to 5,204.81, 7,182.67 and 3,080.32 is: 4,250.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,204.81 : 7,182.67 = 3,080.32 : x
  2. Step 2: Convert to fraction form
    5,204.81/7,182.67 = 3,080.32/x
  3. Step 3: Cross multiply
    5,204.81x = 7,182.67 × 3,080.32
  4. Step 4: Simplify right side
    5,204.81x = 22,124,886.14
  5. Step 5: Solve for x
    x = 22,124,886.14/5,204.81
  6. Step 6: Final answer
    x = 4,250.85

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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.