Home / 5,315.33-7,334.19-3,077.30

Finding the Fourth Proportional to 5,315.33, 7,334.19 and 3,077.30

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Solution

The fourth proportional to 5,315.33, 7,334.19 and 3,077.30 is: 4,246.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315.33 : 7,334.19 = 3,077.30 : x
  2. Step 2: Convert to fraction form
    5,315.33/7,334.19 = 3,077.30/x
  3. Step 3: Cross multiply
    5,315.33x = 7,334.19 × 3,077.30
  4. Step 4: Simplify right side
    5,315.33x = 22,569,466.22
  5. Step 5: Solve for x
    x = 22,569,466.22/5,315.33
  6. Step 6: Final answer
    x = 4,246.11

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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.