Home / 5,838.32-8,758.78-1,678.01

Finding the Fourth Proportional to 5,838.32, 8,758.78 and 1,678.01

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Solution

The fourth proportional to 5,838.32, 8,758.78 and 1,678.01 is: 2,517.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,838.32 : 8,758.78 = 1,678.01 : x
  2. Step 2: Convert to fraction form
    5,838.32/8,758.78 = 1,678.01/x
  3. Step 3: Cross multiply
    5,838.32x = 8,758.78 × 1,678.01
  4. Step 4: Simplify right side
    5,838.32x = 14,697,338.13
  5. Step 5: Solve for x
    x = 14,697,338.13/5,838.32
  6. Step 6: Final answer
    x = 2,517.39

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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.