Home / 5,055.57-6,955.56-4,455.36

Finding the Fourth Proportional to 5,055.57, 6,955.56 and 4,455.36

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Solution

The fourth proportional to 5,055.57, 6,955.56 and 4,455.36 is: 6,129.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055.57 : 6,955.56 = 4,455.36 : x
  2. Step 2: Convert to fraction form
    5,055.57/6,955.56 = 4,455.36/x
  3. Step 3: Cross multiply
    5,055.57x = 6,955.56 × 4,455.36
  4. Step 4: Simplify right side
    5,055.57x = 30,989,523.80
  5. Step 5: Solve for x
    x = 30,989,523.80/5,055.57
  6. Step 6: Final answer
    x = 6,129.78

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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.