Home / 4,685.80-6,464.56-2,695.17

Finding the Fourth Proportional to 4,685.80, 6,464.56 and 2,695.17

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Solution

The fourth proportional to 4,685.80, 6,464.56 and 2,695.17 is: 3,718.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,685.80 : 6,464.56 = 2,695.17 : x
  2. Step 2: Convert to fraction form
    4,685.80/6,464.56 = 2,695.17/x
  3. Step 3: Cross multiply
    4,685.80x = 6,464.56 × 2,695.17
  4. Step 4: Simplify right side
    4,685.80x = 17,423,110.73
  5. Step 5: Solve for x
    x = 17,423,110.73/4,685.80
  6. Step 6: Final answer
    x = 3,718.28

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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.