Home / 4,916.30-6,784.47-2,678.03

Finding the Fourth Proportional to 4,916.30, 6,784.47 and 2,678.03

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Solution

The fourth proportional to 4,916.30, 6,784.47 and 2,678.03 is: 3,695.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,916.30 : 6,784.47 = 2,678.03 : x
  2. Step 2: Convert to fraction form
    4,916.30/6,784.47 = 2,678.03/x
  3. Step 3: Cross multiply
    4,916.30x = 6,784.47 × 2,678.03
  4. Step 4: Simplify right side
    4,916.30x = 18,169,005.71
  5. Step 5: Solve for x
    x = 18,169,005.71/4,916.30
  6. Step 6: Final answer
    x = 3,695.67

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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.