Home / 5,875.20-8,812.68-2,412.48

Finding the Fourth Proportional to 5,875.20, 8,812.68 and 2,412.48

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Solution

The fourth proportional to 5,875.20, 8,812.68 and 2,412.48 is: 3,618.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,875.20 : 8,812.68 = 2,412.48 : x
  2. Step 2: Convert to fraction form
    5,875.20/8,812.68 = 2,412.48/x
  3. Step 3: Cross multiply
    5,875.20x = 8,812.68 × 2,412.48
  4. Step 4: Simplify right side
    5,875.20x = 21,260,414.25
  5. Step 5: Solve for x
    x = 21,260,414.25/5,875.20
  6. Step 6: Final answer
    x = 3,618.67

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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.