Home / 5,636.08-8,455.56-2,126.32

Finding the Fourth Proportional to 5,636.08, 8,455.56 and 2,126.32

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Solution

The fourth proportional to 5,636.08, 8,455.56 and 2,126.32 is: 3,190.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,636.08 : 8,455.56 = 2,126.32 : x
  2. Step 2: Convert to fraction form
    5,636.08/8,455.56 = 2,126.32/x
  3. Step 3: Cross multiply
    5,636.08x = 8,455.56 × 2,126.32
  4. Step 4: Simplify right side
    5,636.08x = 17,979,226.34
  5. Step 5: Solve for x
    x = 17,979,226.34/5,636.08
  6. Step 6: Final answer
    x = 3,190.02

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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.