Home / 5,328.60-7,353.54-3,090.57

Finding the Fourth Proportional to 5,328.60, 7,353.54 and 3,090.57

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Solution

The fourth proportional to 5,328.60, 7,353.54 and 3,090.57 is: 4,265.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328.60 : 7,353.54 = 3,090.57 : x
  2. Step 2: Convert to fraction form
    5,328.60/7,353.54 = 3,090.57/x
  3. Step 3: Cross multiply
    5,328.60x = 7,353.54 × 3,090.57
  4. Step 4: Simplify right side
    5,328.60x = 22,726,657.69
  5. Step 5: Solve for x
    x = 22,726,657.69/5,328.60
  6. Step 6: Final answer
    x = 4,265.03

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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.