Home / 4,580.61-6,316.91-2,988.48

Finding the Fourth Proportional to 4,580.61, 6,316.91 and 2,988.48

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Solution

The fourth proportional to 4,580.61, 6,316.91 and 2,988.48 is: 4,121.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,580.61 : 6,316.91 = 2,988.48 : x
  2. Step 2: Convert to fraction form
    4,580.61/6,316.91 = 2,988.48/x
  3. Step 3: Cross multiply
    4,580.61x = 6,316.91 × 2,988.48
  4. Step 4: Simplify right side
    4,580.61x = 18,877,959.20
  5. Step 5: Solve for x
    x = 18,877,959.20/4,580.61
  6. Step 6: Final answer
    x = 4,121.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.