Home / 2,116.04-3,172.02-1,935.62

Finding the Fourth Proportional to 2,116.04, 3,172.02 and 1,935.62

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Solution

The fourth proportional to 2,116.04, 3,172.02 and 1,935.62 is: 2,901.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116.04 : 3,172.02 = 1,935.62 : x
  2. Step 2: Convert to fraction form
    2,116.04/3,172.02 = 1,935.62/x
  3. Step 3: Cross multiply
    2,116.04x = 3,172.02 × 1,935.62
  4. Step 4: Simplify right side
    2,116.04x = 6,139,825.35
  5. Step 5: Solve for x
    x = 6,139,825.35/2,116.04
  6. Step 6: Final answer
    x = 2,901.56

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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.