Home / 2,412.48-3,330.81-1,563.33

Finding the Fourth Proportional to 2,412.48, 3,330.81 and 1,563.33

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Solution

The fourth proportional to 2,412.48, 3,330.81 and 1,563.33 is: 2,158.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,412.48 : 3,330.81 = 1,563.33 : x
  2. Step 2: Convert to fraction form
    2,412.48/3,330.81 = 1,563.33/x
  3. Step 3: Cross multiply
    2,412.48x = 3,330.81 × 1,563.33
  4. Step 4: Simplify right side
    2,412.48x = 5,207,155.20
  5. Step 5: Solve for x
    x = 5,207,155.20/2,412.48
  6. Step 6: Final answer
    x = 2,158.42

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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.