Home / 4,955.42-7,433.18-1,257.55

Finding the Fourth Proportional to 4,955.42, 7,433.18 and 1,257.55

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Solution

The fourth proportional to 4,955.42, 7,433.18 and 1,257.55 is: 1,886.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,955.42 : 7,433.18 = 1,257.55 : x
  2. Step 2: Convert to fraction form
    4,955.42/7,433.18 = 1,257.55/x
  3. Step 3: Cross multiply
    4,955.42x = 7,433.18 × 1,257.55
  4. Step 4: Simplify right side
    4,955.42x = 9,347,595.51
  5. Step 5: Solve for x
    x = 9,347,595.51/4,955.42
  6. Step 6: Final answer
    x = 1,886.34

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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.