Home / 3,691.04-5,090.75-2,364.86

Finding the Fourth Proportional to 3,691.04, 5,090.75 and 2,364.86

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Solution

The fourth proportional to 3,691.04, 5,090.75 and 2,364.86 is: 3,261.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,691.04 : 5,090.75 = 2,364.86 : x
  2. Step 2: Convert to fraction form
    3,691.04/5,090.75 = 2,364.86/x
  3. Step 3: Cross multiply
    3,691.04x = 5,090.75 × 2,364.86
  4. Step 4: Simplify right side
    3,691.04x = 12,038,920.82
  5. Step 5: Solve for x
    x = 12,038,920.82/3,691.04
  6. Step 6: Final answer
    x = 3,261.67

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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.