Home / 4,477.20-6,169.32-3,152.40

Finding the Fourth Proportional to 4,477.20, 6,169.32 and 3,152.40

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Solution

The fourth proportional to 4,477.20, 6,169.32 and 3,152.40 is: 4,343.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,477.20 : 6,169.32 = 3,152.40 : x
  2. Step 2: Convert to fraction form
    4,477.20/6,169.32 = 3,152.40/x
  3. Step 3: Cross multiply
    4,477.20x = 6,169.32 × 3,152.40
  4. Step 4: Simplify right side
    4,477.20x = 19,448,164.37
  5. Step 5: Solve for x
    x = 19,448,164.37/4,477.20
  6. Step 6: Final answer
    x = 4,343.82

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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.