Home / 4,923.86-7,387.12-1,637.18

Finding the Fourth Proportional to 4,923.86, 7,387.12 and 1,637.18

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Solution

The fourth proportional to 4,923.86, 7,387.12 and 1,637.18 is: 2,456.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,923.86 : 7,387.12 = 1,637.18 : x
  2. Step 2: Convert to fraction form
    4,923.86/7,387.12 = 1,637.18/x
  3. Step 3: Cross multiply
    4,923.86x = 7,387.12 × 1,637.18
  4. Step 4: Simplify right side
    4,923.86x = 12,094,045.12
  5. Step 5: Solve for x
    x = 12,094,045.12/4,923.86
  6. Step 6: Final answer
    x = 2,456.21

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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.