Home / 4,902.50-7,355.74-2,127.72

Finding the Fourth Proportional to 4,902.50, 7,355.74 and 2,127.72

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Solution

The fourth proportional to 4,902.50, 7,355.74 and 2,127.72 is: 3,192.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,902.50 : 7,355.74 = 2,127.72 : x
  2. Step 2: Convert to fraction form
    4,902.50/7,355.74 = 2,127.72/x
  3. Step 3: Cross multiply
    4,902.50x = 7,355.74 × 2,127.72
  4. Step 4: Simplify right side
    4,902.50x = 15,650,955.11
  5. Step 5: Solve for x
    x = 15,650,955.11/4,902.50
  6. Step 6: Final answer
    x = 3,192.44

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1.5x scale

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.