Home / 5,114.81-7,670.55-1,651.25

Finding the Fourth Proportional to 5,114.81, 7,670.55 and 1,651.25

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Solution

The fourth proportional to 5,114.81, 7,670.55 and 1,651.25 is: 2,476.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,114.81 : 7,670.55 = 1,651.25 : x
  2. Step 2: Convert to fraction form
    5,114.81/7,670.55 = 1,651.25/x
  3. Step 3: Cross multiply
    5,114.81x = 7,670.55 × 1,651.25
  4. Step 4: Simplify right side
    5,114.81x = 12,665,995.69
  5. Step 5: Solve for x
    x = 12,665,995.69/5,114.81
  6. Step 6: Final answer
    x = 2,476.34

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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.