Home / 4,108.90-5,670.68-2,430.84

Finding the Fourth Proportional to 4,108.90, 5,670.68 and 2,430.84

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Solution

The fourth proportional to 4,108.90, 5,670.68 and 2,430.84 is: 3,354.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,108.90 : 5,670.68 = 2,430.84 : x
  2. Step 2: Convert to fraction form
    4,108.90/5,670.68 = 2,430.84/x
  3. Step 3: Cross multiply
    4,108.90x = 5,670.68 × 2,430.84
  4. Step 4: Simplify right side
    4,108.90x = 13,784,527.92
  5. Step 5: Solve for x
    x = 13,784,527.92/4,108.90
  6. Step 6: Final answer
    x = 3,354.80

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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.