Home / 5,235.13-7,854.11-1,772.38

Finding the Fourth Proportional to 5,235.13, 7,854.11 and 1,772.38

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Solution

The fourth proportional to 5,235.13, 7,854.11 and 1,772.38 is: 2,659.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,235.13 : 7,854.11 = 1,772.38 : x
  2. Step 2: Convert to fraction form
    5,235.13/7,854.11 = 1,772.38/x
  3. Step 3: Cross multiply
    5,235.13x = 7,854.11 × 1,772.38
  4. Step 4: Simplify right side
    5,235.13x = 13,920,419.35
  5. Step 5: Solve for x
    x = 13,920,419.35/5,235.13
  6. Step 6: Final answer
    x = 2,659.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.