Home / 4,955.57-7,433.37-1,257.80

Finding the Fourth Proportional to 4,955.57, 7,433.37 and 1,257.80

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Solution

The fourth proportional to 4,955.57, 7,433.37 and 1,257.80 is: 1,886.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,955.57 : 7,433.37 = 1,257.80 : x
  2. Step 2: Convert to fraction form
    4,955.57/7,433.37 = 1,257.80/x
  3. Step 3: Cross multiply
    4,955.57x = 7,433.37 × 1,257.80
  4. Step 4: Simplify right side
    4,955.57x = 9,349,674.20
  5. Step 5: Solve for x
    x = 9,349,674.20/4,955.57
  6. Step 6: Final answer
    x = 1,886.70

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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.