Home / 7,490.75-10,341.37-4,507.31

Finding the Fourth Proportional to 7,490.75, 10,341.37 and 4,507.31

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Solution

The fourth proportional to 7,490.75, 10,341.37 and 4,507.31 is: 6,222.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490.75 : 10,341.37 = 4,507.31 : x
  2. Step 2: Convert to fraction form
    7,490.75/10,341.37 = 4,507.31/x
  3. Step 3: Cross multiply
    7,490.75x = 10,341.37 × 4,507.31
  4. Step 4: Simplify right side
    7,490.75x = 46,611,791.90
  5. Step 5: Solve for x
    x = 46,611,791.90/7,490.75
  6. Step 6: Final answer
    x = 6,222.58

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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.