Home / 3,015.51-4,523.28-824.46

Finding the Fourth Proportional to 3,015.51, 4,523.28 and 824.46

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Solution

The fourth proportional to 3,015.51, 4,523.28 and 824.46 is: 1,236.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.51 : 4,523.28 = 824.46 : x
  2. Step 2: Convert to fraction form
    3,015.51/4,523.28 = 824.46/x
  3. Step 3: Cross multiply
    3,015.51x = 4,523.28 × 824.46
  4. Step 4: Simplify right side
    3,015.51x = 3,729,263.43
  5. Step 5: Solve for x
    x = 3,729,263.43/3,015.51
  6. Step 6: Final answer
    x = 1,236.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.