Home / 3,001.52-4,111.06-2,824.40

Finding the Fourth Proportional to 3,001.52, 4,111.06 and 2,824.40

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Solution

The fourth proportional to 3,001.52, 4,111.06 and 2,824.40 is: 3,868.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001.52 : 4,111.06 = 2,824.40 : x
  2. Step 2: Convert to fraction form
    3,001.52/4,111.06 = 2,824.40/x
  3. Step 3: Cross multiply
    3,001.52x = 4,111.06 × 2,824.40
  4. Step 4: Simplify right side
    3,001.52x = 11,611,277.86
  5. Step 5: Solve for x
    x = 11,611,277.86/3,001.52
  6. Step 6: Final answer
    x = 3,868.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.