Home / 2,220.86-3,066.03-1,475.84

Finding the Fourth Proportional to 2,220.86, 3,066.03 and 1,475.84

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Solution

The fourth proportional to 2,220.86, 3,066.03 and 1,475.84 is: 2,037.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.86 : 3,066.03 = 1,475.84 : x
  2. Step 2: Convert to fraction form
    2,220.86/3,066.03 = 1,475.84/x
  3. Step 3: Cross multiply
    2,220.86x = 3,066.03 × 1,475.84
  4. Step 4: Simplify right side
    2,220.86x = 4,524,954.39
  5. Step 5: Solve for x
    x = 4,524,954.39/2,220.86
  6. Step 6: Final answer
    x = 2,037.48

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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.