Home / 3,653.79-5,480.69-2,356.17

Finding the Fourth Proportional to 3,653.79, 5,480.69 and 2,356.17

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Solution

The fourth proportional to 3,653.79, 5,480.69 and 2,356.17 is: 3,534.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,653.79 : 5,480.69 = 2,356.17 : x
  2. Step 2: Convert to fraction form
    3,653.79/5,480.69 = 2,356.17/x
  3. Step 3: Cross multiply
    3,653.79x = 5,480.69 × 2,356.17
  4. Step 4: Simplify right side
    3,653.79x = 12,913,405.02
  5. Step 5: Solve for x
    x = 12,913,405.02/3,653.79
  6. Step 6: Final answer
    x = 3,534.25

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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.