Home / 5,353.68-7,390.40-4,027.72

Finding the Fourth Proportional to 5,353.68, 7,390.40 and 4,027.72

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Solution

The fourth proportional to 5,353.68, 7,390.40 and 4,027.72 is: 5,560.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,353.68 : 7,390.40 = 4,027.72 : x
  2. Step 2: Convert to fraction form
    5,353.68/7,390.40 = 4,027.72/x
  3. Step 3: Cross multiply
    5,353.68x = 7,390.40 × 4,027.72
  4. Step 4: Simplify right side
    5,353.68x = 29,766,461.89
  5. Step 5: Solve for x
    x = 29,766,461.89/5,353.68
  6. Step 6: Final answer
    x = 5,560.00

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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.