Home / 5,113.02-7,678.78-4,701.41

Finding the Fourth Proportional to 5,113.02, 7,678.78 and 4,701.41

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Solution

The fourth proportional to 5,113.02, 7,678.78 and 4,701.41 is: 7,060.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113.02 : 7,678.78 = 4,701.41 : x
  2. Step 2: Convert to fraction form
    5,113.02/7,678.78 = 4,701.41/x
  3. Step 3: Cross multiply
    5,113.02x = 7,678.78 × 4,701.41
  4. Step 4: Simplify right side
    5,113.02x = 36,101,042.93
  5. Step 5: Solve for x
    x = 36,101,042.93/5,113.02
  6. Step 6: Final answer
    x = 7,060.61

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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.