Home / 7,542.90-10,409.31-4,558.32

Finding the Fourth Proportional to 7,542.90, 10,409.31 and 4,558.32

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Solution

The fourth proportional to 7,542.90, 10,409.31 and 4,558.32 is: 6,290.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,542.90 : 10,409.31 = 4,558.32 : x
  2. Step 2: Convert to fraction form
    7,542.90/10,409.31 = 4,558.32/x
  3. Step 3: Cross multiply
    7,542.90x = 10,409.31 × 4,558.32
  4. Step 4: Simplify right side
    7,542.90x = 47,448,965.96
  5. Step 5: Solve for x
    x = 47,448,965.96/7,542.90
  6. Step 6: Final answer
    x = 6,290.55

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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.