Home / 4,168.72-6,253.62-1,572.40

Finding the Fourth Proportional to 4,168.72, 6,253.62 and 1,572.40

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Solution

The fourth proportional to 4,168.72, 6,253.62 and 1,572.40 is: 2,358.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,168.72 : 6,253.62 = 1,572.40 : x
  2. Step 2: Convert to fraction form
    4,168.72/6,253.62 = 1,572.40/x
  3. Step 3: Cross multiply
    4,168.72x = 6,253.62 × 1,572.40
  4. Step 4: Simplify right side
    4,168.72x = 9,833,192.09
  5. Step 5: Solve for x
    x = 9,833,192.09/4,168.72
  6. Step 6: Final answer
    x = 2,358.80

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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.