Home / 2,722.16-3,756.18-1,542.92

Finding the Fourth Proportional to 2,722.16, 3,756.18 and 1,542.92

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Solution

The fourth proportional to 2,722.16, 3,756.18 and 1,542.92 is: 2,129.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.16 : 3,756.18 = 1,542.92 : x
  2. Step 2: Convert to fraction form
    2,722.16/3,756.18 = 1,542.92/x
  3. Step 3: Cross multiply
    2,722.16x = 3,756.18 × 1,542.92
  4. Step 4: Simplify right side
    2,722.16x = 5,795,485.25
  5. Step 5: Solve for x
    x = 5,795,485.25/2,722.16
  6. Step 6: Final answer
    x = 2,129.00

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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.