Home / 4,981.32-6,874.80-3,092.40

Finding the Fourth Proportional to 4,981.32, 6,874.80 and 3,092.40

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Solution

The fourth proportional to 4,981.32, 6,874.80 and 3,092.40 is: 4,267.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981.32 : 6,874.80 = 3,092.40 : x
  2. Step 2: Convert to fraction form
    4,981.32/6,874.80 = 3,092.40/x
  3. Step 3: Cross multiply
    4,981.32x = 6,874.80 × 3,092.40
  4. Step 4: Simplify right side
    4,981.32x = 21,259,631.52
  5. Step 5: Solve for x
    x = 21,259,631.52/4,981.32
  6. Step 6: Final answer
    x = 4,267.87

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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.