Home / 4,753.35-7,130.53-1,978.48

Finding the Fourth Proportional to 4,753.35, 7,130.53 and 1,978.48

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Solution

The fourth proportional to 4,753.35, 7,130.53 and 1,978.48 is: 2,967.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,753.35 : 7,130.53 = 1,978.48 : x
  2. Step 2: Convert to fraction form
    4,753.35/7,130.53 = 1,978.48/x
  3. Step 3: Cross multiply
    4,753.35x = 7,130.53 × 1,978.48
  4. Step 4: Simplify right side
    4,753.35x = 14,107,582.27
  5. Step 5: Solve for x
    x = 14,107,582.27/4,753.35
  6. Step 6: Final answer
    x = 2,967.93

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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.