Home / 5,116.91-7,670.57-4,660.40

Finding the Fourth Proportional to 5,116.91, 7,670.57 and 4,660.40

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Solution

The fourth proportional to 5,116.91, 7,670.57 and 4,660.40 is: 6,986.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,116.91 : 7,670.57 = 4,660.40 : x
  2. Step 2: Convert to fraction form
    5,116.91/7,670.57 = 4,660.40/x
  3. Step 3: Cross multiply
    5,116.91x = 7,670.57 × 4,660.40
  4. Step 4: Simplify right side
    5,116.91x = 35,747,920.30
  5. Step 5: Solve for x
    x = 35,747,920.30/5,116.91
  6. Step 6: Final answer
    x = 6,986.24

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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.