Home / 4,955.91-7,429.46-1,880.07

Finding the Fourth Proportional to 4,955.91, 7,429.46 and 1,880.07

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Solution

The fourth proportional to 4,955.91, 7,429.46 and 1,880.07 is: 2,818.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,955.91 : 7,429.46 = 1,880.07 : x
  2. Step 2: Convert to fraction form
    4,955.91/7,429.46 = 1,880.07/x
  3. Step 3: Cross multiply
    4,955.91x = 7,429.46 × 1,880.07
  4. Step 4: Simplify right side
    4,955.91x = 13,967,895.46
  5. Step 5: Solve for x
    x = 13,967,895.46/4,955.91
  6. Step 6: Final answer
    x = 2,818.43

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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.