Home / 5,373.16-7,415.40-2,983.38

Finding the Fourth Proportional to 5,373.16, 7,415.40 and 2,983.38

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Solution

The fourth proportional to 5,373.16, 7,415.40 and 2,983.38 is: 4,117.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,373.16 : 7,415.40 = 2,983.38 : x
  2. Step 2: Convert to fraction form
    5,373.16/7,415.40 = 2,983.38/x
  3. Step 3: Cross multiply
    5,373.16x = 7,415.40 × 2,983.38
  4. Step 4: Simplify right side
    5,373.16x = 22,122,956.05
  5. Step 5: Solve for x
    x = 22,122,956.05/5,373.16
  6. Step 6: Final answer
    x = 4,117.31

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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.