Home / 5,237.96-7,228.59-2,880.32

Finding the Fourth Proportional to 5,237.96, 7,228.59 and 2,880.32

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Solution

The fourth proportional to 5,237.96, 7,228.59 and 2,880.32 is: 3,974.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,237.96 : 7,228.59 = 2,880.32 : x
  2. Step 2: Convert to fraction form
    5,237.96/7,228.59 = 2,880.32/x
  3. Step 3: Cross multiply
    5,237.96x = 7,228.59 × 2,880.32
  4. Step 4: Simplify right side
    5,237.96x = 20,820,652.35
  5. Step 5: Solve for x
    x = 20,820,652.35/5,237.96
  6. Step 6: Final answer
    x = 3,974.95

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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.