Home / 5,529.60-7,623.04-3,432.32

Finding the Fourth Proportional to 5,529.60, 7,623.04 and 3,432.32

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Solution

The fourth proportional to 5,529.60, 7,623.04 and 3,432.32 is: 4,731.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,529.60 : 7,623.04 = 3,432.32 : x
  2. Step 2: Convert to fraction form
    5,529.60/7,623.04 = 3,432.32/x
  3. Step 3: Cross multiply
    5,529.60x = 7,623.04 × 3,432.32
  4. Step 4: Simplify right side
    5,529.60x = 26,164,712.65
  5. Step 5: Solve for x
    x = 26,164,712.65/5,529.60
  6. Step 6: Final answer
    x = 4,731.76

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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.