Home / 4,920.68-7,385.34-2,582.35

Finding the Fourth Proportional to 4,920.68, 7,385.34 and 2,582.35

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Solution

The fourth proportional to 4,920.68, 7,385.34 and 2,582.35 is: 3,875.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.68 : 7,385.34 = 2,582.35 : x
  2. Step 2: Convert to fraction form
    4,920.68/7,385.34 = 2,582.35/x
  3. Step 3: Cross multiply
    4,920.68x = 7,385.34 × 2,582.35
  4. Step 4: Simplify right side
    4,920.68x = 19,071,532.75
  5. Step 5: Solve for x
    x = 19,071,532.75/4,920.68
  6. Step 6: Final answer
    x = 3,875.79

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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.