Home / 4,877.80-7,318.34-1,546.59

Finding the Fourth Proportional to 4,877.80, 7,318.34 and 1,546.59

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Solution

The fourth proportional to 4,877.80, 7,318.34 and 1,546.59 is: 2,320.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,877.80 : 7,318.34 = 1,546.59 : x
  2. Step 2: Convert to fraction form
    4,877.80/7,318.34 = 1,546.59/x
  3. Step 3: Cross multiply
    4,877.80x = 7,318.34 × 1,546.59
  4. Step 4: Simplify right side
    4,877.80x = 11,318,445.43
  5. Step 5: Solve for x
    x = 11,318,445.43/4,877.80
  6. Step 6: Final answer
    x = 2,320.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.