Home / 7,047.02-10,572.15-2,116.75

Finding the Fourth Proportional to 7,047.02, 10,572.15 and 2,116.75

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Solution

The fourth proportional to 7,047.02, 10,572.15 and 2,116.75 is: 3,175.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,047.02 : 10,572.15 = 2,116.75 : x
  2. Step 2: Convert to fraction form
    7,047.02/10,572.15 = 2,116.75/x
  3. Step 3: Cross multiply
    7,047.02x = 10,572.15 × 2,116.75
  4. Step 4: Simplify right side
    7,047.02x = 22,378,587.93
  5. Step 5: Solve for x
    x = 22,378,587.93/7,047.02
  6. Step 6: Final answer
    x = 3,175.61

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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.