Home / 5,328.38-7,353.18-2,970.68

Finding the Fourth Proportional to 5,328.38, 7,353.18 and 2,970.68

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Solution

The fourth proportional to 5,328.38, 7,353.18 and 2,970.68 is: 4,099.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328.38 : 7,353.18 = 2,970.68 : x
  2. Step 2: Convert to fraction form
    5,328.38/7,353.18 = 2,970.68/x
  3. Step 3: Cross multiply
    5,328.38x = 7,353.18 × 2,970.68
  4. Step 4: Simplify right side
    5,328.38x = 21,843,908.00
  5. Step 5: Solve for x
    x = 21,843,908.00/5,328.38
  6. Step 6: Final answer
    x = 4,099.54

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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.