Home / 5,266.63-7,267.80-2,908.72

Finding the Fourth Proportional to 5,266.63, 7,267.80 and 2,908.72

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Solution

The fourth proportional to 5,266.63, 7,267.80 and 2,908.72 is: 4,013.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,266.63 : 7,267.80 = 2,908.72 : x
  2. Step 2: Convert to fraction form
    5,266.63/7,267.80 = 2,908.72/x
  3. Step 3: Cross multiply
    5,266.63x = 7,267.80 × 2,908.72
  4. Step 4: Simplify right side
    5,266.63x = 21,139,995.22
  5. Step 5: Solve for x
    x = 21,139,995.22/5,266.63
  6. Step 6: Final answer
    x = 4,013.95

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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.