Home / 5,373.49-7,415.40-3,015.63

Finding the Fourth Proportional to 5,373.49, 7,415.40 and 3,015.63

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Solution

The fourth proportional to 5,373.49, 7,415.40 and 3,015.63 is: 4,161.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,373.49 : 7,415.40 = 3,015.63 : x
  2. Step 2: Convert to fraction form
    5,373.49/7,415.40 = 3,015.63/x
  3. Step 3: Cross multiply
    5,373.49x = 7,415.40 × 3,015.63
  4. Step 4: Simplify right side
    5,373.49x = 22,362,063.59
  5. Step 5: Solve for x
    x = 22,362,063.59/5,373.49
  6. Step 6: Final answer
    x = 4,161.55

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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.