Home / 5,101.70-7,036.80-4,157.49

Finding the Fourth Proportional to 5,101.70, 7,036.80 and 4,157.49

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Solution

The fourth proportional to 5,101.70, 7,036.80 and 4,157.49 is: 5,734.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101.70 : 7,036.80 = 4,157.49 : x
  2. Step 2: Convert to fraction form
    5,101.70/7,036.80 = 4,157.49/x
  3. Step 3: Cross multiply
    5,101.70x = 7,036.80 × 4,157.49
  4. Step 4: Simplify right side
    5,101.70x = 29,255,425.63
  5. Step 5: Solve for x
    x = 29,255,425.63/5,101.70
  6. Step 6: Final answer
    x = 5,734.45

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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.