Home / 3,463.08-4,778.70-1,970.94

Finding the Fourth Proportional to 3,463.08, 4,778.70 and 1,970.94

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Solution

The fourth proportional to 3,463.08, 4,778.70 and 1,970.94 is: 2,719.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,463.08 : 4,778.70 = 1,970.94 : x
  2. Step 2: Convert to fraction form
    3,463.08/4,778.70 = 1,970.94/x
  3. Step 3: Cross multiply
    3,463.08x = 4,778.70 × 1,970.94
  4. Step 4: Simplify right side
    3,463.08x = 9,418,530.98
  5. Step 5: Solve for x
    x = 9,418,530.98/3,463.08
  6. Step 6: Final answer
    x = 2,719.70

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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.