Home / 1,695.18-2,336.55-1,135.44

Finding the Fourth Proportional to 1,695.18, 2,336.55 and 1,135.44

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Solution

The fourth proportional to 1,695.18, 2,336.55 and 1,135.44 is: 1,565.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,695.18 : 2,336.55 = 1,135.44 : x
  2. Step 2: Convert to fraction form
    1,695.18/2,336.55 = 1,135.44/x
  3. Step 3: Cross multiply
    1,695.18x = 2,336.55 × 1,135.44
  4. Step 4: Simplify right side
    1,695.18x = 2,653,014.65
  5. Step 5: Solve for x
    x = 2,653,014.65/1,695.18
  6. Step 6: Final answer
    x = 1,565.04

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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.