Home / 5,424.63-7,486.05-2,940.63

Finding the Fourth Proportional to 5,424.63, 7,486.05 and 2,940.63

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Solution

The fourth proportional to 5,424.63, 7,486.05 and 2,940.63 is: 4,058.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.63 : 7,486.05 = 2,940.63 : x
  2. Step 2: Convert to fraction form
    5,424.63/7,486.05 = 2,940.63/x
  3. Step 3: Cross multiply
    5,424.63x = 7,486.05 × 2,940.63
  4. Step 4: Simplify right side
    5,424.63x = 22,013,703.21
  5. Step 5: Solve for x
    x = 22,013,703.21/5,424.63
  6. Step 6: Final answer
    x = 4,058.10

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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.