Home / 4,756.50-7,130.16-2,415.42

Finding the Fourth Proportional to 4,756.50, 7,130.16 and 2,415.42

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Solution

The fourth proportional to 4,756.50, 7,130.16 and 2,415.42 is: 3,620.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,756.50 : 7,130.16 = 2,415.42 : x
  2. Step 2: Convert to fraction form
    4,756.50/7,130.16 = 2,415.42/x
  3. Step 3: Cross multiply
    4,756.50x = 7,130.16 × 2,415.42
  4. Step 4: Simplify right side
    4,756.50x = 17,222,331.07
  5. Step 5: Solve for x
    x = 17,222,331.07/4,756.50
  6. Step 6: Final answer
    x = 3,620.80

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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.