Home / 5,114.54-7,054.29-3,123.46

Finding the Fourth Proportional to 5,114.54, 7,054.29 and 3,123.46

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Solution

The fourth proportional to 5,114.54, 7,054.29 and 3,123.46 is: 4,308.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,114.54 : 7,054.29 = 3,123.46 : x
  2. Step 2: Convert to fraction form
    5,114.54/7,054.29 = 3,123.46/x
  3. Step 3: Cross multiply
    5,114.54x = 7,054.29 × 3,123.46
  4. Step 4: Simplify right side
    5,114.54x = 22,033,801.46
  5. Step 5: Solve for x
    x = 22,033,801.46/5,114.54
  6. Step 6: Final answer
    x = 4,308.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.