Home / 6,404.45-8,837.75-3,533.07

Finding the Fourth Proportional to 6,404.45, 8,837.75 and 3,533.07

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Solution

The fourth proportional to 6,404.45, 8,837.75 and 3,533.07 is: 4,875.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,404.45 : 8,837.75 = 3,533.07 : x
  2. Step 2: Convert to fraction form
    6,404.45/8,837.75 = 3,533.07/x
  3. Step 3: Cross multiply
    6,404.45x = 8,837.75 × 3,533.07
  4. Step 4: Simplify right side
    6,404.45x = 31,224,371.73
  5. Step 5: Solve for x
    x = 31,224,371.73/6,404.45
  6. Step 6: Final answer
    x = 4,875.42

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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.