Home / 3,055.77-4,220.78-2,356.11

Finding the Fourth Proportional to 3,055.77, 4,220.78 and 2,356.11

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Solution

The fourth proportional to 3,055.77, 4,220.78 and 2,356.11 is: 3,254.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,055.77 : 4,220.78 = 2,356.11 : x
  2. Step 2: Convert to fraction form
    3,055.77/4,220.78 = 2,356.11/x
  3. Step 3: Cross multiply
    3,055.77x = 4,220.78 × 2,356.11
  4. Step 4: Simplify right side
    3,055.77x = 9,944,610.19
  5. Step 5: Solve for x
    x = 9,944,610.19/3,055.77
  6. Step 6: Final answer
    x = 3,254.37

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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.