Home / 4,695.12-7,043.40-4,111.92

Finding the Fourth Proportional to 4,695.12, 7,043.40 and 4,111.92

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Solution

The fourth proportional to 4,695.12, 7,043.40 and 4,111.92 is: 6,168.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,695.12 : 7,043.40 = 4,111.92 : x
  2. Step 2: Convert to fraction form
    4,695.12/7,043.40 = 4,111.92/x
  3. Step 3: Cross multiply
    4,695.12x = 7,043.40 × 4,111.92
  4. Step 4: Simplify right side
    4,695.12x = 28,961,897.33
  5. Step 5: Solve for x
    x = 28,961,897.33/4,695.12
  6. Step 6: Final answer
    x = 6,168.51

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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.