Home / 5,027.63-6,917.73-4,128.08

Finding the Fourth Proportional to 5,027.63, 6,917.73 and 4,128.08

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Solution

The fourth proportional to 5,027.63, 6,917.73 and 4,128.08 is: 5,680.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,027.63 : 6,917.73 = 4,128.08 : x
  2. Step 2: Convert to fraction form
    5,027.63/6,917.73 = 4,128.08/x
  3. Step 3: Cross multiply
    5,027.63x = 6,917.73 × 4,128.08
  4. Step 4: Simplify right side
    5,027.63x = 28,556,908.27
  5. Step 5: Solve for x
    x = 28,556,908.27/5,027.63
  6. Step 6: Final answer
    x = 5,680.00

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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.