Home / 7,157.25-9,874.65-4,641.33

Finding the Fourth Proportional to 7,157.25, 9,874.65 and 4,641.33

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Solution

The fourth proportional to 7,157.25, 9,874.65 and 4,641.33 is: 6,403.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,157.25 : 9,874.65 = 4,641.33 : x
  2. Step 2: Convert to fraction form
    7,157.25/9,874.65 = 4,641.33/x
  3. Step 3: Cross multiply
    7,157.25x = 9,874.65 × 4,641.33
  4. Step 4: Simplify right side
    7,157.25x = 45,831,509.28
  5. Step 5: Solve for x
    x = 45,831,509.28/7,157.25
  6. Step 6: Final answer
    x = 6,403.51

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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.