Home / 5,386.23-7,432.94-3,028.32

Finding the Fourth Proportional to 5,386.23, 7,432.94 and 3,028.32

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Solution

The fourth proportional to 5,386.23, 7,432.94 and 3,028.32 is: 4,179.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,386.23 : 7,432.94 = 3,028.32 : x
  2. Step 2: Convert to fraction form
    5,386.23/7,432.94 = 3,028.32/x
  3. Step 3: Cross multiply
    5,386.23x = 7,432.94 × 3,028.32
  4. Step 4: Simplify right side
    5,386.23x = 22,509,305.72
  5. Step 5: Solve for x
    x = 22,509,305.72/5,386.23
  6. Step 6: Final answer
    x = 4,179.05

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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.