Home / 3,701.21-5,108.40-2,355.93

Finding the Fourth Proportional to 3,701.21, 5,108.40 and 2,355.93

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Solution

The fourth proportional to 3,701.21, 5,108.40 and 2,355.93 is: 3,251.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,701.21 : 5,108.40 = 2,355.93 : x
  2. Step 2: Convert to fraction form
    3,701.21/5,108.40 = 2,355.93/x
  3. Step 3: Cross multiply
    3,701.21x = 5,108.40 × 2,355.93
  4. Step 4: Simplify right side
    3,701.21x = 12,035,032.81
  5. Step 5: Solve for x
    x = 12,035,032.81/3,701.21
  6. Step 6: Final answer
    x = 3,251.65

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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.