Home / 2,988.06-4,122.02-1,792.92

Finding the Fourth Proportional to 2,988.06, 4,122.02 and 1,792.92

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Solution

The fourth proportional to 2,988.06, 4,122.02 and 1,792.92 is: 2,473.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988.06 : 4,122.02 = 1,792.92 : x
  2. Step 2: Convert to fraction form
    2,988.06/4,122.02 = 1,792.92/x
  3. Step 3: Cross multiply
    2,988.06x = 4,122.02 × 1,792.92
  4. Step 4: Simplify right side
    2,988.06x = 7,390,452.10
  5. Step 5: Solve for x
    x = 7,390,452.10/2,988.06
  6. Step 6: Final answer
    x = 2,473.33

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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.