Home / 5,110.47-7,661.63-4,700.43

Finding the Fourth Proportional to 5,110.47, 7,661.63 and 4,700.43

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Solution

The fourth proportional to 5,110.47, 7,661.63 and 4,700.43 is: 7,046.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.47 : 7,661.63 = 4,700.43 : x
  2. Step 2: Convert to fraction form
    5,110.47/7,661.63 = 4,700.43/x
  3. Step 3: Cross multiply
    5,110.47x = 7,661.63 × 4,700.43
  4. Step 4: Simplify right side
    5,110.47x = 36,012,955.50
  5. Step 5: Solve for x
    x = 36,012,955.50/5,110.47
  6. Step 6: Final answer
    x = 7,046.90

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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.