Home / 1,922.07-2,652.48-1,082.76

Finding the Fourth Proportional to 1,922.07, 2,652.48 and 1,082.76

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Solution

The fourth proportional to 1,922.07, 2,652.48 and 1,082.76 is: 1,494.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922.07 : 2,652.48 = 1,082.76 : x
  2. Step 2: Convert to fraction form
    1,922.07/2,652.48 = 1,082.76/x
  3. Step 3: Cross multiply
    1,922.07x = 2,652.48 × 1,082.76
  4. Step 4: Simplify right side
    1,922.07x = 2,871,999.24
  5. Step 5: Solve for x
    x = 2,871,999.24/1,922.07
  6. Step 6: Final answer
    x = 1,494.22

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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.