Home / 3,527.60-5,291.40-2,793.20

Finding the Fourth Proportional to 3,527.60, 5,291.40 and 2,793.20

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Solution

The fourth proportional to 3,527.60, 5,291.40 and 2,793.20 is: 4,189.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,527.60 : 5,291.40 = 2,793.20 : x
  2. Step 2: Convert to fraction form
    3,527.60/5,291.40 = 2,793.20/x
  3. Step 3: Cross multiply
    3,527.60x = 5,291.40 × 2,793.20
  4. Step 4: Simplify right side
    3,527.60x = 14,779,938.48
  5. Step 5: Solve for x
    x = 14,779,938.48/3,527.60
  6. Step 6: Final answer
    x = 4,189.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.