Home / 3,153.12-4,730.38-962.02

Finding the Fourth Proportional to 3,153.12, 4,730.38 and 962.02

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Solution

The fourth proportional to 3,153.12, 4,730.38 and 962.02 is: 1,443.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.12 : 4,730.38 = 962.02 : x
  2. Step 2: Convert to fraction form
    3,153.12/4,730.38 = 962.02/x
  3. Step 3: Cross multiply
    3,153.12x = 4,730.38 × 962.02
  4. Step 4: Simplify right side
    3,153.12x = 4,550,720.17
  5. Step 5: Solve for x
    x = 4,550,720.17/3,153.12
  6. Step 6: Final answer
    x = 1,443.24

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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.