Home / 7,085.28-10,621.26-2,402.02

Finding the Fourth Proportional to 7,085.28, 10,621.26 and 2,402.02

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Solution

The fourth proportional to 7,085.28, 10,621.26 and 2,402.02 is: 3,600.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,085.28 : 10,621.26 = 2,402.02 : x
  2. Step 2: Convert to fraction form
    7,085.28/10,621.26 = 2,402.02/x
  3. Step 3: Cross multiply
    7,085.28x = 10,621.26 × 2,402.02
  4. Step 4: Simplify right side
    7,085.28x = 25,512,478.95
  5. Step 5: Solve for x
    x = 25,512,478.95/7,085.28
  6. Step 6: Final answer
    x = 3,600.77

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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.