Home / 4,695.33-6,478.47-2,807.51

Finding the Fourth Proportional to 4,695.33, 6,478.47 and 2,807.51

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Solution

The fourth proportional to 4,695.33, 6,478.47 and 2,807.51 is: 3,873.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,695.33 : 6,478.47 = 2,807.51 : x
  2. Step 2: Convert to fraction form
    4,695.33/6,478.47 = 2,807.51/x
  3. Step 3: Cross multiply
    4,695.33x = 6,478.47 × 2,807.51
  4. Step 4: Simplify right side
    4,695.33x = 18,188,369.31
  5. Step 5: Solve for x
    x = 18,188,369.31/4,695.33
  6. Step 6: Final answer
    x = 3,873.71

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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.