Home / 6,612.77-9,125.74-3,628.42

Finding the Fourth Proportional to 6,612.77, 9,125.74 and 3,628.42

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Solution

The fourth proportional to 6,612.77, 9,125.74 and 3,628.42 is: 5,007.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,612.77 : 9,125.74 = 3,628.42 : x
  2. Step 2: Convert to fraction form
    6,612.77/9,125.74 = 3,628.42/x
  3. Step 3: Cross multiply
    6,612.77x = 9,125.74 × 3,628.42
  4. Step 4: Simplify right side
    6,612.77x = 33,112,017.53
  5. Step 5: Solve for x
    x = 33,112,017.53/6,612.77
  6. Step 6: Final answer
    x = 5,007.28

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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.