Home / 7,271.96-10,043.48-4,910

Finding the Fourth Proportional to 7,271.96, 10,043.48 and 4,910

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Solution

The fourth proportional to 7,271.96, 10,043.48 and 4,910 is: 6,781.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,271.96 : 10,043.48 = 4,910 : x
  2. Step 2: Convert to fraction form
    7,271.96/10,043.48 = 4,910/x
  3. Step 3: Cross multiply
    7,271.96x = 10,043.48 × 4,910
  4. Step 4: Simplify right side
    7,271.96x = 49,313,486.80
  5. Step 5: Solve for x
    x = 49,313,486.80/7,271.96
  6. Step 6: Final answer
    x = 6,781.32

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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.