Home / 5,015.52-6,922.54-2,920.86

Finding the Fourth Proportional to 5,015.52, 6,922.54 and 2,920.86

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Solution

The fourth proportional to 5,015.52, 6,922.54 and 2,920.86 is: 4,031.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,015.52 : 6,922.54 = 2,920.86 : x
  2. Step 2: Convert to fraction form
    5,015.52/6,922.54 = 2,920.86/x
  3. Step 3: Cross multiply
    5,015.52x = 6,922.54 × 2,920.86
  4. Step 4: Simplify right side
    5,015.52x = 20,219,770.18
  5. Step 5: Solve for x
    x = 20,219,770.18/5,015.52
  6. Step 6: Final answer
    x = 4,031.44

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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.