Home / 3,934.02-5,430.42-2,608.17

Finding the Fourth Proportional to 3,934.02, 5,430.42 and 2,608.17

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Solution

The fourth proportional to 3,934.02, 5,430.42 and 2,608.17 is: 3,600.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934.02 : 5,430.42 = 2,608.17 : x
  2. Step 2: Convert to fraction form
    3,934.02/5,430.42 = 2,608.17/x
  3. Step 3: Cross multiply
    3,934.02x = 5,430.42 × 2,608.17
  4. Step 4: Simplify right side
    3,934.02x = 14,163,458.53
  5. Step 5: Solve for x
    x = 14,163,458.53/3,934.02
  6. Step 6: Final answer
    x = 3,600.25

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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.