Home / 3,756.40-5,629.56-1,562.56

Finding the Fourth Proportional to 3,756.40, 5,629.56 and 1,562.56

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Solution

The fourth proportional to 3,756.40, 5,629.56 and 1,562.56 is: 2,341.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,756.40 : 5,629.56 = 1,562.56 : x
  2. Step 2: Convert to fraction form
    3,756.40/5,629.56 = 1,562.56/x
  3. Step 3: Cross multiply
    3,756.40x = 5,629.56 × 1,562.56
  4. Step 4: Simplify right side
    3,756.40x = 8,796,525.27
  5. Step 5: Solve for x
    x = 8,796,525.27/3,756.40
  6. Step 6: Final answer
    x = 2,341.74

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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.