Home / 3,582.21-5,373.32-1,392.48

Finding the Fourth Proportional to 3,582.21, 5,373.32 and 1,392.48

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Solution

The fourth proportional to 3,582.21, 5,373.32 and 1,392.48 is: 2,088.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,582.21 : 5,373.32 = 1,392.48 : x
  2. Step 2: Convert to fraction form
    3,582.21/5,373.32 = 1,392.48/x
  3. Step 3: Cross multiply
    3,582.21x = 5,373.32 × 1,392.48
  4. Step 4: Simplify right side
    3,582.21x = 7,482,240.63
  5. Step 5: Solve for x
    x = 7,482,240.63/3,582.21
  6. Step 6: Final answer
    x = 2,088.72

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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.