Home / 4,160.86-5,728.88-3,530.08

Finding the Fourth Proportional to 4,160.86, 5,728.88 and 3,530.08

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Solution

The fourth proportional to 4,160.86, 5,728.88 and 3,530.08 is: 4,860.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,160.86 : 5,728.88 = 3,530.08 : x
  2. Step 2: Convert to fraction form
    4,160.86/5,728.88 = 3,530.08/x
  3. Step 3: Cross multiply
    4,160.86x = 5,728.88 × 3,530.08
  4. Step 4: Simplify right side
    4,160.86x = 20,223,404.71
  5. Step 5: Solve for x
    x = 20,223,404.71/4,160.86
  6. Step 6: Final answer
    x = 4,860.39

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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.