Home / 3,050.76-4,210.07-1,653.51

Finding the Fourth Proportional to 3,050.76, 4,210.07 and 1,653.51

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Solution

The fourth proportional to 3,050.76, 4,210.07 and 1,653.51 is: 2,281.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,050.76 : 4,210.07 = 1,653.51 : x
  2. Step 2: Convert to fraction form
    3,050.76/4,210.07 = 1,653.51/x
  3. Step 3: Cross multiply
    3,050.76x = 4,210.07 × 1,653.51
  4. Step 4: Simplify right side
    3,050.76x = 6,961,392.85
  5. Step 5: Solve for x
    x = 6,961,392.85/3,050.76
  6. Step 6: Final answer
    x = 2,281.86

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Half scale
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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.