Home / 3,710.24-5,117.84-2,451.68

Finding the Fourth Proportional to 3,710.24, 5,117.84 and 2,451.68

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Solution

The fourth proportional to 3,710.24, 5,117.84 and 2,451.68 is: 3,381.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,710.24 : 5,117.84 = 2,451.68 : x
  2. Step 2: Convert to fraction form
    3,710.24/5,117.84 = 2,451.68/x
  3. Step 3: Cross multiply
    3,710.24x = 5,117.84 × 2,451.68
  4. Step 4: Simplify right side
    3,710.24x = 12,547,305.97
  5. Step 5: Solve for x
    x = 12,547,305.97/3,710.24
  6. Step 6: Final answer
    x = 3,381.80

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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.