Home / 3,089.16-4,264.44-2,148.18

Finding the Fourth Proportional to 3,089.16, 4,264.44 and 2,148.18

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Solution

The fourth proportional to 3,089.16, 4,264.44 and 2,148.18 is: 2,965.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.16 : 4,264.44 = 2,148.18 : x
  2. Step 2: Convert to fraction form
    3,089.16/4,264.44 = 2,148.18/x
  3. Step 3: Cross multiply
    3,089.16x = 4,264.44 × 2,148.18
  4. Step 4: Simplify right side
    3,089.16x = 9,160,784.72
  5. Step 5: Solve for x
    x = 9,160,784.72/3,089.16
  6. Step 6: Final answer
    x = 2,965.46

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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.