Home / 7,156.80-10,732.56-2,475.60

Finding the Fourth Proportional to 7,156.80, 10,732.56 and 2,475.60

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Solution

The fourth proportional to 7,156.80, 10,732.56 and 2,475.60 is: 3,712.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,156.80 : 10,732.56 = 2,475.60 : x
  2. Step 2: Convert to fraction form
    7,156.80/10,732.56 = 2,475.60/x
  3. Step 3: Cross multiply
    7,156.80x = 10,732.56 × 2,475.60
  4. Step 4: Simplify right side
    7,156.80x = 26,569,525.54
  5. Step 5: Solve for x
    x = 26,569,525.54/7,156.80
  6. Step 6: Final answer
    x = 3,712.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.