Home / 3,533.09-4,875.35-1,939.47

Finding the Fourth Proportional to 3,533.09, 4,875.35 and 1,939.47

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Solution

The fourth proportional to 3,533.09, 4,875.35 and 1,939.47 is: 2,676.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,533.09 : 4,875.35 = 1,939.47 : x
  2. Step 2: Convert to fraction form
    3,533.09/4,875.35 = 1,939.47/x
  3. Step 3: Cross multiply
    3,533.09x = 4,875.35 × 1,939.47
  4. Step 4: Simplify right side
    3,533.09x = 9,455,585.37
  5. Step 5: Solve for x
    x = 9,455,585.37/3,533.09
  6. Step 6: Final answer
    x = 2,676.30

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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.