Home / 4,591.06-6,886.60-1,128.32

Finding the Fourth Proportional to 4,591.06, 6,886.60 and 1,128.32

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Solution

The fourth proportional to 4,591.06, 6,886.60 and 1,128.32 is: 1,692.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,591.06 : 6,886.60 = 1,128.32 : x
  2. Step 2: Convert to fraction form
    4,591.06/6,886.60 = 1,128.32/x
  3. Step 3: Cross multiply
    4,591.06x = 6,886.60 × 1,128.32
  4. Step 4: Simplify right side
    4,591.06x = 7,770,288.51
  5. Step 5: Solve for x
    x = 7,770,288.51/4,591.06
  6. Step 6: Final answer
    x = 1,692.48

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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.