Home / 3,316.60-4,576.08-2,136.25

Finding the Fourth Proportional to 3,316.60, 4,576.08 and 2,136.25

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Solution

The fourth proportional to 3,316.60, 4,576.08 and 2,136.25 is: 2,947.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.60 : 4,576.08 = 2,136.25 : x
  2. Step 2: Convert to fraction form
    3,316.60/4,576.08 = 2,136.25/x
  3. Step 3: Cross multiply
    3,316.60x = 4,576.08 × 2,136.25
  4. Step 4: Simplify right side
    3,316.60x = 9,775,650.90
  5. Step 5: Solve for x
    x = 9,775,650.90/3,316.60
  6. Step 6: Final answer
    x = 2,947.49

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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.