Home / 5,717.75-8,580.27-2,430.84

Finding the Fourth Proportional to 5,717.75, 8,580.27 and 2,430.84

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Solution

The fourth proportional to 5,717.75, 8,580.27 and 2,430.84 is: 3,647.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,717.75 : 8,580.27 = 2,430.84 : x
  2. Step 2: Convert to fraction form
    5,717.75/8,580.27 = 2,430.84/x
  3. Step 3: Cross multiply
    5,717.75x = 8,580.27 × 2,430.84
  4. Step 4: Simplify right side
    5,717.75x = 20,857,312.16
  5. Step 5: Solve for x
    x = 20,857,312.16/5,717.75
  6. Step 6: Final answer
    x = 3,647.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.