Home / 5,785.32-8,678.54-2,322.12

Finding the Fourth Proportional to 5,785.32, 8,678.54 and 2,322.12

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Solution

The fourth proportional to 5,785.32, 8,678.54 and 2,322.12 is: 3,483.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,785.32 : 8,678.54 = 2,322.12 : x
  2. Step 2: Convert to fraction form
    5,785.32/8,678.54 = 2,322.12/x
  3. Step 3: Cross multiply
    5,785.32x = 8,678.54 × 2,322.12
  4. Step 4: Simplify right side
    5,785.32x = 20,152,611.30
  5. Step 5: Solve for x
    x = 20,152,611.30/5,785.32
  6. Step 6: Final answer
    x = 3,483.40

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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.