Home / 5,350.59-7,385.40-3,113.47

Finding the Fourth Proportional to 5,350.59, 7,385.40 and 3,113.47

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Solution

The fourth proportional to 5,350.59, 7,385.40 and 3,113.47 is: 4,297.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,350.59 : 7,385.40 = 3,113.47 : x
  2. Step 2: Convert to fraction form
    5,350.59/7,385.40 = 3,113.47/x
  3. Step 3: Cross multiply
    5,350.59x = 7,385.40 × 3,113.47
  4. Step 4: Simplify right side
    5,350.59x = 22,994,221.34
  5. Step 5: Solve for x
    x = 22,994,221.34/5,350.59
  6. Step 6: Final answer
    x = 4,297.51

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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.