Home / 5,022.47-6,929.57-2,897.84

Finding the Fourth Proportional to 5,022.47, 6,929.57 and 2,897.84

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Solution

The fourth proportional to 5,022.47, 6,929.57 and 2,897.84 is: 3,998.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,022.47 : 6,929.57 = 2,897.84 : x
  2. Step 2: Convert to fraction form
    5,022.47/6,929.57 = 2,897.84/x
  3. Step 3: Cross multiply
    5,022.47x = 6,929.57 × 2,897.84
  4. Step 4: Simplify right side
    5,022.47x = 20,080,809.70
  5. Step 5: Solve for x
    x = 20,080,809.70/5,022.47
  6. Step 6: Final answer
    x = 3,998.19

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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.