Home / 5,775.96-8,665.14-1,880.04

Finding the Fourth Proportional to 5,775.96, 8,665.14 and 1,880.04

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Solution

The fourth proportional to 5,775.96, 8,665.14 and 1,880.04 is: 2,820.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,775.96 : 8,665.14 = 1,880.04 : x
  2. Step 2: Convert to fraction form
    5,775.96/8,665.14 = 1,880.04/x
  3. Step 3: Cross multiply
    5,775.96x = 8,665.14 × 1,880.04
  4. Step 4: Simplify right side
    5,775.96x = 16,290,809.81
  5. Step 5: Solve for x
    x = 16,290,809.81/5,775.96
  6. Step 6: Final answer
    x = 2,820.45

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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.