Home / 2,965.08-4,089.54-2,646.33

Finding the Fourth Proportional to 2,965.08, 4,089.54 and 2,646.33

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Solution

The fourth proportional to 2,965.08, 4,089.54 and 2,646.33 is: 3,649.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,965.08 : 4,089.54 = 2,646.33 : x
  2. Step 2: Convert to fraction form
    2,965.08/4,089.54 = 2,646.33/x
  3. Step 3: Cross multiply
    2,965.08x = 4,089.54 × 2,646.33
  4. Step 4: Simplify right side
    2,965.08x = 10,822,272.39
  5. Step 5: Solve for x
    x = 10,822,272.39/2,965.08
  6. Step 6: Final answer
    x = 3,649.91

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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.