Home / 5,529.36-8,291.56-2,931.72

Finding the Fourth Proportional to 5,529.36, 8,291.56 and 2,931.72

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Solution

The fourth proportional to 5,529.36, 8,291.56 and 2,931.72 is: 4,396.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,529.36 : 8,291.56 = 2,931.72 : x
  2. Step 2: Convert to fraction form
    5,529.36/8,291.56 = 2,931.72/x
  3. Step 3: Cross multiply
    5,529.36x = 8,291.56 × 2,931.72
  4. Step 4: Simplify right side
    5,529.36x = 24,308,532.28
  5. Step 5: Solve for x
    x = 24,308,532.28/5,529.36
  6. Step 6: Final answer
    x = 4,396.27

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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.