Home / 5,115.02-7,678.68-3,466.57

Finding the Fourth Proportional to 5,115.02, 7,678.68 and 3,466.57

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Solution

The fourth proportional to 5,115.02, 7,678.68 and 3,466.57 is: 5,204.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,115.02 : 7,678.68 = 3,466.57 : x
  2. Step 2: Convert to fraction form
    5,115.02/7,678.68 = 3,466.57/x
  3. Step 3: Cross multiply
    5,115.02x = 7,678.68 × 3,466.57
  4. Step 4: Simplify right side
    5,115.02x = 26,618,662.53
  5. Step 5: Solve for x
    x = 26,618,662.53/5,115.02
  6. Step 6: Final answer
    x = 5,204.02

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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.