Home / 5,328.19-7,353.62-2,970.55

Finding the Fourth Proportional to 5,328.19, 7,353.62 and 2,970.55

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Solution

The fourth proportional to 5,328.19, 7,353.62 and 2,970.55 is: 4,099.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328.19 : 7,353.62 = 2,970.55 : x
  2. Step 2: Convert to fraction form
    5,328.19/7,353.62 = 2,970.55/x
  3. Step 3: Cross multiply
    5,328.19x = 7,353.62 × 2,970.55
  4. Step 4: Simplify right side
    5,328.19x = 21,844,295.89
  5. Step 5: Solve for x
    x = 21,844,295.89/5,328.19
  6. Step 6: Final answer
    x = 4,099.76

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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.