Home / 5,021.53-6,929.04-2,897.14

Finding the Fourth Proportional to 5,021.53, 6,929.04 and 2,897.14

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Solution

The fourth proportional to 5,021.53, 6,929.04 and 2,897.14 is: 3,997.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,021.53 : 6,929.04 = 2,897.14 : x
  2. Step 2: Convert to fraction form
    5,021.53/6,929.04 = 2,897.14/x
  3. Step 3: Cross multiply
    5,021.53x = 6,929.04 × 2,897.14
  4. Step 4: Simplify right side
    5,021.53x = 20,074,398.95
  5. Step 5: Solve for x
    x = 20,074,398.95/5,021.53
  6. Step 6: Final answer
    x = 3,997.67

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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.