Home / 3,214.60-4,437.01-1,889.19

Finding the Fourth Proportional to 3,214.60, 4,437.01 and 1,889.19

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Solution

The fourth proportional to 3,214.60, 4,437.01 and 1,889.19 is: 2,607.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,214.60 : 4,437.01 = 1,889.19 : x
  2. Step 2: Convert to fraction form
    3,214.60/4,437.01 = 1,889.19/x
  3. Step 3: Cross multiply
    3,214.60x = 4,437.01 × 1,889.19
  4. Step 4: Simplify right side
    3,214.60x = 8,382,357.28
  5. Step 5: Solve for x
    x = 8,382,357.28/3,214.60
  6. Step 6: Final answer
    x = 2,607.59

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Half scale
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Double scale
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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.