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Finding the Fourth Proportional to 5,580.76, 8,368.94 and 2,460.90

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Solution

The fourth proportional to 5,580.76, 8,368.94 and 2,460.90 is: 3,690.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,580.76 : 8,368.94 = 2,460.90 : x
  2. Step 2: Convert to fraction form
    5,580.76/8,368.94 = 2,460.90/x
  3. Step 3: Cross multiply
    5,580.76x = 8,368.94 × 2,460.90
  4. Step 4: Simplify right side
    5,580.76x = 20,595,124.45
  5. Step 5: Solve for x
    x = 20,595,124.45/5,580.76
  6. Step 6: Final answer
    x = 3,690.38

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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.