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Finding the Fourth Proportional to 2,858.76, 4,281.72 and 2,483.76

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Solution

The fourth proportional to 2,858.76, 4,281.72 and 2,483.76 is: 3,720.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,858.76 : 4,281.72 = 2,483.76 : x
  2. Step 2: Convert to fraction form
    2,858.76/4,281.72 = 2,483.76/x
  3. Step 3: Cross multiply
    2,858.76x = 4,281.72 × 2,483.76
  4. Step 4: Simplify right side
    2,858.76x = 10,634,764.87
  5. Step 5: Solve for x
    x = 10,634,764.87/2,858.76
  6. Step 6: Final answer
    x = 3,720.06

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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.