Home / 4,117.77-5,678.15-3,276.81

Finding the Fourth Proportional to 4,117.77, 5,678.15 and 3,276.81

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Solution

The fourth proportional to 4,117.77, 5,678.15 and 3,276.81 is: 4,518.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,117.77 : 5,678.15 = 3,276.81 : x
  2. Step 2: Convert to fraction form
    4,117.77/5,678.15 = 3,276.81/x
  3. Step 3: Cross multiply
    4,117.77x = 5,678.15 × 3,276.81
  4. Step 4: Simplify right side
    4,117.77x = 18,606,202.32
  5. Step 5: Solve for x
    x = 18,606,202.32/4,117.77
  6. Step 6: Final answer
    x = 4,518.51

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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.