Home / 2,562.28-3,533.60-1,900.78

Finding the Fourth Proportional to 2,562.28, 3,533.60 and 1,900.78

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Solution

The fourth proportional to 2,562.28, 3,533.60 and 1,900.78 is: 2,621.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,562.28 : 3,533.60 = 1,900.78 : x
  2. Step 2: Convert to fraction form
    2,562.28/3,533.60 = 1,900.78/x
  3. Step 3: Cross multiply
    2,562.28x = 3,533.60 × 1,900.78
  4. Step 4: Simplify right side
    2,562.28x = 6,716,596.21
  5. Step 5: Solve for x
    x = 6,716,596.21/2,562.28
  6. Step 6: Final answer
    x = 2,621.34

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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.