Home / 5,389.28-7,433.19-4,758.69

Finding the Fourth Proportional to 5,389.28, 7,433.19 and 4,758.69

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Solution

The fourth proportional to 5,389.28, 7,433.19 and 4,758.69 is: 6,563.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389.28 : 7,433.19 = 4,758.69 : x
  2. Step 2: Convert to fraction form
    5,389.28/7,433.19 = 4,758.69/x
  3. Step 3: Cross multiply
    5,389.28x = 7,433.19 × 4,758.69
  4. Step 4: Simplify right side
    5,389.28x = 35,372,246.92
  5. Step 5: Solve for x
    x = 35,372,246.92/5,389.28
  6. Step 6: Final answer
    x = 6,563.45

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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.