Home / 5,013.84-6,918.96-2,917.92

Finding the Fourth Proportional to 5,013.84, 6,918.96 and 2,917.92

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Solution

The fourth proportional to 5,013.84, 6,918.96 and 2,917.92 is: 4,026.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,013.84 : 6,918.96 = 2,917.92 : x
  2. Step 2: Convert to fraction form
    5,013.84/6,918.96 = 2,917.92/x
  3. Step 3: Cross multiply
    5,013.84x = 6,918.96 × 2,917.92
  4. Step 4: Simplify right side
    5,013.84x = 20,188,971.76
  5. Step 5: Solve for x
    x = 20,188,971.76/5,013.84
  6. Step 6: Final answer
    x = 4,026.65

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1.5x scale

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.