Home / 4,901.15-7,351.70-2,127.46

Finding the Fourth Proportional to 4,901.15, 7,351.70 and 2,127.46

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Solution

The fourth proportional to 4,901.15, 7,351.70 and 2,127.46 is: 3,191.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,901.15 : 7,351.70 = 2,127.46 : x
  2. Step 2: Convert to fraction form
    4,901.15/7,351.70 = 2,127.46/x
  3. Step 3: Cross multiply
    4,901.15x = 7,351.70 × 2,127.46
  4. Step 4: Simplify right side
    4,901.15x = 15,640,410.92
  5. Step 5: Solve for x
    x = 15,640,410.92/4,901.15
  6. Step 6: Final answer
    x = 3,191.17

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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.