Home / 2,101.12-2,898.52-1,632.13

Finding the Fourth Proportional to 2,101.12, 2,898.52 and 1,632.13

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Solution

The fourth proportional to 2,101.12, 2,898.52 and 1,632.13 is: 2,251.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101.12 : 2,898.52 = 1,632.13 : x
  2. Step 2: Convert to fraction form
    2,101.12/2,898.52 = 1,632.13/x
  3. Step 3: Cross multiply
    2,101.12x = 2,898.52 × 1,632.13
  4. Step 4: Simplify right side
    2,101.12x = 4,730,761.45
  5. Step 5: Solve for x
    x = 4,730,761.45/2,101.12
  6. Step 6: Final answer
    x = 2,251.54

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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.