Home / 4,880.56-7,320.80-1,182.81

Finding the Fourth Proportional to 4,880.56, 7,320.80 and 1,182.81

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Solution

The fourth proportional to 4,880.56, 7,320.80 and 1,182.81 is: 1,774.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,880.56 : 7,320.80 = 1,182.81 : x
  2. Step 2: Convert to fraction form
    4,880.56/7,320.80 = 1,182.81/x
  3. Step 3: Cross multiply
    4,880.56x = 7,320.80 × 1,182.81
  4. Step 4: Simplify right side
    4,880.56x = 8,659,115.45
  5. Step 5: Solve for x
    x = 8,659,115.45/4,880.56
  6. Step 6: Final answer
    x = 1,774.21

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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.