Home / 4,656.72-6,418.80-4,275.21

Finding the Fourth Proportional to 4,656.72, 6,418.80 and 4,275.21

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Solution

The fourth proportional to 4,656.72, 6,418.80 and 4,275.21 is: 5,892.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,656.72 : 6,418.80 = 4,275.21 : x
  2. Step 2: Convert to fraction form
    4,656.72/6,418.80 = 4,275.21/x
  3. Step 3: Cross multiply
    4,656.72x = 6,418.80 × 4,275.21
  4. Step 4: Simplify right side
    4,656.72x = 27,441,717.95
  5. Step 5: Solve for x
    x = 27,441,717.95/4,656.72
  6. Step 6: Final answer
    x = 5,892.93

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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.