Home / 5,714.09-7,886.10-3,196.84

Finding the Fourth Proportional to 5,714.09, 7,886.10 and 3,196.84

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Solution

The fourth proportional to 5,714.09, 7,886.10 and 3,196.84 is: 4,412.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,714.09 : 7,886.10 = 3,196.84 : x
  2. Step 2: Convert to fraction form
    5,714.09/7,886.10 = 3,196.84/x
  3. Step 3: Cross multiply
    5,714.09x = 7,886.10 × 3,196.84
  4. Step 4: Simplify right side
    5,714.09x = 25,210,599.92
  5. Step 5: Solve for x
    x = 25,210,599.92/5,714.09
  6. Step 6: Final answer
    x = 4,412.00

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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.