Home / 5,792.40-8,688.60-2,095.20

Finding the Fourth Proportional to 5,792.40, 8,688.60 and 2,095.20

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Solution

The fourth proportional to 5,792.40, 8,688.60 and 2,095.20 is: 3,142.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,792.40 : 8,688.60 = 2,095.20 : x
  2. Step 2: Convert to fraction form
    5,792.40/8,688.60 = 2,095.20/x
  3. Step 3: Cross multiply
    5,792.40x = 8,688.60 × 2,095.20
  4. Step 4: Simplify right side
    5,792.40x = 18,204,354.72
  5. Step 5: Solve for x
    x = 18,204,354.72/5,792.40
  6. Step 6: Final answer
    x = 3,142.80

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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.