Home / 5,007.60-7,511.40-2,674.80

Finding the Fourth Proportional to 5,007.60, 7,511.40 and 2,674.80

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Solution

The fourth proportional to 5,007.60, 7,511.40 and 2,674.80 is: 4,012.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007.60 : 7,511.40 = 2,674.80 : x
  2. Step 2: Convert to fraction form
    5,007.60/7,511.40 = 2,674.80/x
  3. Step 3: Cross multiply
    5,007.60x = 7,511.40 × 2,674.80
  4. Step 4: Simplify right side
    5,007.60x = 20,091,492.72
  5. Step 5: Solve for x
    x = 20,091,492.72/5,007.60
  6. Step 6: Final answer
    x = 4,012.20

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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.