Home / 4,947.42-7,417.62-2,480.46

Finding the Fourth Proportional to 4,947.42, 7,417.62 and 2,480.46

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Solution

The fourth proportional to 4,947.42, 7,417.62 and 2,480.46 is: 3,718.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947.42 : 7,417.62 = 2,480.46 : x
  2. Step 2: Convert to fraction form
    4,947.42/7,417.62 = 2,480.46/x
  3. Step 3: Cross multiply
    4,947.42x = 7,417.62 × 2,480.46
  4. Step 4: Simplify right side
    4,947.42x = 18,399,109.71
  5. Step 5: Solve for x
    x = 18,399,109.71/4,947.42
  6. Step 6: Final answer
    x = 3,718.93

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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.