Home / 5,730.86-7,912.38-4,402.18

Finding the Fourth Proportional to 5,730.86, 7,912.38 and 4,402.18

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Solution

The fourth proportional to 5,730.86, 7,912.38 and 4,402.18 is: 6,077.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,730.86 : 7,912.38 = 4,402.18 : x
  2. Step 2: Convert to fraction form
    5,730.86/7,912.38 = 4,402.18/x
  3. Step 3: Cross multiply
    5,730.86x = 7,912.38 × 4,402.18
  4. Step 4: Simplify right side
    5,730.86x = 34,831,720.99
  5. Step 5: Solve for x
    x = 34,831,720.99/5,730.86
  6. Step 6: Final answer
    x = 6,077.92

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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.