Home / 4,720.12-6,514.08-3,124.02

Finding the Fourth Proportional to 4,720.12, 6,514.08 and 3,124.02

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Solution

The fourth proportional to 4,720.12, 6,514.08 and 3,124.02 is: 4,311.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.12 : 6,514.08 = 3,124.02 : x
  2. Step 2: Convert to fraction form
    4,720.12/6,514.08 = 3,124.02/x
  3. Step 3: Cross multiply
    4,720.12x = 6,514.08 × 3,124.02
  4. Step 4: Simplify right side
    4,720.12x = 20,350,116.20
  5. Step 5: Solve for x
    x = 20,350,116.20/4,720.12
  6. Step 6: Final answer
    x = 4,311.36

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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.