Home / 3,280.14-4,526.52-1,953.81

Finding the Fourth Proportional to 3,280.14, 4,526.52 and 1,953.81

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Solution

The fourth proportional to 3,280.14, 4,526.52 and 1,953.81 is: 2,696.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.14 : 4,526.52 = 1,953.81 : x
  2. Step 2: Convert to fraction form
    3,280.14/4,526.52 = 1,953.81/x
  3. Step 3: Cross multiply
    3,280.14x = 4,526.52 × 1,953.81
  4. Step 4: Simplify right side
    3,280.14x = 8,843,960.04
  5. Step 5: Solve for x
    x = 8,843,960.04/3,280.14
  6. Step 6: Final answer
    x = 2,696.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.