Home / 5,237.97-7,228.40-2,880.10

Finding the Fourth Proportional to 5,237.97, 7,228.40 and 2,880.10

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Solution

The fourth proportional to 5,237.97, 7,228.40 and 2,880.10 is: 3,974.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,237.97 : 7,228.40 = 2,880.10 : x
  2. Step 2: Convert to fraction form
    5,237.97/7,228.40 = 2,880.10/x
  3. Step 3: Cross multiply
    5,237.97x = 7,228.40 × 2,880.10
  4. Step 4: Simplify right side
    5,237.97x = 20,818,509.47
  5. Step 5: Solve for x
    x = 20,818,509.47/5,237.97
  6. Step 6: Final answer
    x = 3,974.54

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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.