Home / 4,981.96-6,877.86-2,993

Finding the Fourth Proportional to 4,981.96, 6,877.86 and 2,993

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Solution

The fourth proportional to 4,981.96, 6,877.86 and 2,993 is: 4,132.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981.96 : 6,877.86 = 2,993 : x
  2. Step 2: Convert to fraction form
    4,981.96/6,877.86 = 2,993/x
  3. Step 3: Cross multiply
    4,981.96x = 6,877.86 × 2,993
  4. Step 4: Simplify right side
    4,981.96x = 20,585,434.98
  5. Step 5: Solve for x
    x = 20,585,434.98/4,981.96
  6. Step 6: Final answer
    x = 4,132.00

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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.