Home / 5,458.16-7,532.31-3,100.32

Finding the Fourth Proportional to 5,458.16, 7,532.31 and 3,100.32

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Solution

The fourth proportional to 5,458.16, 7,532.31 and 3,100.32 is: 4,278.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458.16 : 7,532.31 = 3,100.32 : x
  2. Step 2: Convert to fraction form
    5,458.16/7,532.31 = 3,100.32/x
  3. Step 3: Cross multiply
    5,458.16x = 7,532.31 × 3,100.32
  4. Step 4: Simplify right side
    5,458.16x = 23,352,571.34
  5. Step 5: Solve for x
    x = 23,352,571.34/5,458.16
  6. Step 6: Final answer
    x = 4,278.47

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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.