Home / 2,180.13-3,254.38-2,017.51

Finding the Fourth Proportional to 2,180.13, 3,254.38 and 2,017.51

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Solution

The fourth proportional to 2,180.13, 3,254.38 and 2,017.51 is: 3,011.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180.13 : 3,254.38 = 2,017.51 : x
  2. Step 2: Convert to fraction form
    2,180.13/3,254.38 = 2,017.51/x
  3. Step 3: Cross multiply
    2,180.13x = 3,254.38 × 2,017.51
  4. Step 4: Simplify right side
    2,180.13x = 6,565,731.01
  5. Step 5: Solve for x
    x = 6,565,731.01/2,180.13
  6. Step 6: Final answer
    x = 3,011.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.