Home / 3,561.07-4,909.34-3,068.95

Finding the Fourth Proportional to 3,561.07, 4,909.34 and 3,068.95

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Solution

The fourth proportional to 3,561.07, 4,909.34 and 3,068.95 is: 4,230.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,561.07 : 4,909.34 = 3,068.95 : x
  2. Step 2: Convert to fraction form
    3,561.07/4,909.34 = 3,068.95/x
  3. Step 3: Cross multiply
    3,561.07x = 4,909.34 × 3,068.95
  4. Step 4: Simplify right side
    3,561.07x = 15,066,503.65
  5. Step 5: Solve for x
    x = 15,066,503.65/3,561.07
  6. Step 6: Final answer
    x = 4,230.89

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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.