Home / 5,266.47-7,267.68-2,908.64

Finding the Fourth Proportional to 5,266.47, 7,267.68 and 2,908.64

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Solution

The fourth proportional to 5,266.47, 7,267.68 and 2,908.64 is: 4,013.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,266.47 : 7,267.68 = 2,908.64 : x
  2. Step 2: Convert to fraction form
    5,266.47/7,267.68 = 2,908.64/x
  3. Step 3: Cross multiply
    5,266.47x = 7,267.68 × 2,908.64
  4. Step 4: Simplify right side
    5,266.47x = 21,139,028.42
  5. Step 5: Solve for x
    x = 21,139,028.42/5,266.47
  6. Step 6: Final answer
    x = 4,013.89

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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.