Home / 2,934.46-4,053.95-1,928.56

Finding the Fourth Proportional to 2,934.46, 4,053.95 and 1,928.56

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Solution

The fourth proportional to 2,934.46, 4,053.95 and 1,928.56 is: 2,664.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,934.46 : 4,053.95 = 1,928.56 : x
  2. Step 2: Convert to fraction form
    2,934.46/4,053.95 = 1,928.56/x
  3. Step 3: Cross multiply
    2,934.46x = 4,053.95 × 1,928.56
  4. Step 4: Simplify right side
    2,934.46x = 7,818,285.81
  5. Step 5: Solve for x
    x = 7,818,285.81/2,934.46
  6. Step 6: Final answer
    x = 2,664.30

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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.