Home / 2,851.22-3,934.55-1,592.20

Finding the Fourth Proportional to 2,851.22, 3,934.55 and 1,592.20

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Solution

The fourth proportional to 2,851.22, 3,934.55 and 1,592.20 is: 2,197.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851.22 : 3,934.55 = 1,592.20 : x
  2. Step 2: Convert to fraction form
    2,851.22/3,934.55 = 1,592.20/x
  3. Step 3: Cross multiply
    2,851.22x = 3,934.55 × 1,592.20
  4. Step 4: Simplify right side
    2,851.22x = 6,264,590.51
  5. Step 5: Solve for x
    x = 6,264,590.51/2,851.22
  6. Step 6: Final answer
    x = 2,197.16

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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.