Home / 4,275.48-6,378.36-4,166.94

Finding the Fourth Proportional to 4,275.48, 6,378.36 and 4,166.94

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Solution

The fourth proportional to 4,275.48, 6,378.36 and 4,166.94 is: 6,216.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,275.48 : 6,378.36 = 4,166.94 : x
  2. Step 2: Convert to fraction form
    4,275.48/6,378.36 = 4,166.94/x
  3. Step 3: Cross multiply
    4,275.48x = 6,378.36 × 4,166.94
  4. Step 4: Simplify right side
    4,275.48x = 26,578,243.42
  5. Step 5: Solve for x
    x = 26,578,243.42/4,275.48
  6. Step 6: Final answer
    x = 6,216.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.