Home / 4,980.04-6,872.52-2,883.76

Finding the Fourth Proportional to 4,980.04, 6,872.52 and 2,883.76

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Solution

The fourth proportional to 4,980.04, 6,872.52 and 2,883.76 is: 3,979.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,980.04 : 6,872.52 = 2,883.76 : x
  2. Step 2: Convert to fraction form
    4,980.04/6,872.52 = 2,883.76/x
  3. Step 3: Cross multiply
    4,980.04x = 6,872.52 × 2,883.76
  4. Step 4: Simplify right side
    4,980.04x = 19,818,698.28
  5. Step 5: Solve for x
    x = 19,818,698.28/4,980.04
  6. Step 6: Final answer
    x = 3,979.63

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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.