Home / 4,405.69-6,574.36-3,938.32

Finding the Fourth Proportional to 4,405.69, 6,574.36 and 3,938.32

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Solution

The fourth proportional to 4,405.69, 6,574.36 and 3,938.32 is: 5,876.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,405.69 : 6,574.36 = 3,938.32 : x
  2. Step 2: Convert to fraction form
    4,405.69/6,574.36 = 3,938.32/x
  3. Step 3: Cross multiply
    4,405.69x = 6,574.36 × 3,938.32
  4. Step 4: Simplify right side
    4,405.69x = 25,891,933.48
  5. Step 5: Solve for x
    x = 25,891,933.48/4,405.69
  6. Step 6: Final answer
    x = 5,876.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.