Home / 2,127.11-2,935.35-1,182.89

Finding the Fourth Proportional to 2,127.11, 2,935.35 and 1,182.89

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Solution

The fourth proportional to 2,127.11, 2,935.35 and 1,182.89 is: 1,632.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127.11 : 2,935.35 = 1,182.89 : x
  2. Step 2: Convert to fraction form
    2,127.11/2,935.35 = 1,182.89/x
  3. Step 3: Cross multiply
    2,127.11x = 2,935.35 × 1,182.89
  4. Step 4: Simplify right side
    2,127.11x = 3,472,181.48
  5. Step 5: Solve for x
    x = 3,472,181.48/2,127.11
  6. Step 6: Final answer
    x = 1,632.35

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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.