Home / 3,037.49-4,191.52-1,778.47

Finding the Fourth Proportional to 3,037.49, 4,191.52 and 1,778.47

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Solution

The fourth proportional to 3,037.49, 4,191.52 and 1,778.47 is: 2,454.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,037.49 : 4,191.52 = 1,778.47 : x
  2. Step 2: Convert to fraction form
    3,037.49/4,191.52 = 1,778.47/x
  3. Step 3: Cross multiply
    3,037.49x = 4,191.52 × 1,778.47
  4. Step 4: Simplify right side
    3,037.49x = 7,454,477.65
  5. Step 5: Solve for x
    x = 7,454,477.65/3,037.49
  6. Step 6: Final answer
    x = 2,454.16

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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.