Home / 3,487.36-4,813.50-2,160.33

Finding the Fourth Proportional to 3,487.36, 4,813.50 and 2,160.33

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Solution

The fourth proportional to 3,487.36, 4,813.50 and 2,160.33 is: 2,981.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.36 : 4,813.50 = 2,160.33 : x
  2. Step 2: Convert to fraction form
    3,487.36/4,813.50 = 2,160.33/x
  3. Step 3: Cross multiply
    3,487.36x = 4,813.50 × 2,160.33
  4. Step 4: Simplify right side
    3,487.36x = 10,398,748.46
  5. Step 5: Solve for x
    x = 10,398,748.46/3,487.36
  6. Step 6: Final answer
    x = 2,981.84

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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.