Home / 5,359.05-8,038.58-2,443.05

Finding the Fourth Proportional to 5,359.05, 8,038.58 and 2,443.05

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Solution

The fourth proportional to 5,359.05, 8,038.58 and 2,443.05 is: 3,664.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,359.05 : 8,038.58 = 2,443.05 : x
  2. Step 2: Convert to fraction form
    5,359.05/8,038.58 = 2,443.05/x
  3. Step 3: Cross multiply
    5,359.05x = 8,038.58 × 2,443.05
  4. Step 4: Simplify right side
    5,359.05x = 19,638,640.65
  5. Step 5: Solve for x
    x = 19,638,640.65/5,359.05
  6. Step 6: Final answer
    x = 3,664.58

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Double scale
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Similar ratio
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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.