Home / 3,695.65-5,539.73-3,156.19

Finding the Fourth Proportional to 3,695.65, 5,539.73 and 3,156.19

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Solution

The fourth proportional to 3,695.65, 5,539.73 and 3,156.19 is: 4,731.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,695.65 : 5,539.73 = 3,156.19 : x
  2. Step 2: Convert to fraction form
    3,695.65/5,539.73 = 3,156.19/x
  3. Step 3: Cross multiply
    3,695.65x = 5,539.73 × 3,156.19
  4. Step 4: Simplify right side
    3,695.65x = 17,484,410.80
  5. Step 5: Solve for x
    x = 17,484,410.80/3,695.65
  6. Step 6: Final answer
    x = 4,731.08

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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.