Home / 5,108.15-7,052.47-3,342.74

Finding the Fourth Proportional to 5,108.15, 7,052.47 and 3,342.74

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Solution

The fourth proportional to 5,108.15, 7,052.47 and 3,342.74 is: 4,615.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,108.15 : 7,052.47 = 3,342.74 : x
  2. Step 2: Convert to fraction form
    5,108.15/7,052.47 = 3,342.74/x
  3. Step 3: Cross multiply
    5,108.15x = 7,052.47 × 3,342.74
  4. Step 4: Simplify right side
    5,108.15x = 23,574,529.95
  5. Step 5: Solve for x
    x = 23,574,529.95/5,108.15
  6. Step 6: Final answer
    x = 4,615.09

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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.