Home / 5,714.56-7,886.08-3,162.32

Finding the Fourth Proportional to 5,714.56, 7,886.08 and 3,162.32

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Solution

The fourth proportional to 5,714.56, 7,886.08 and 3,162.32 is: 4,363.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,714.56 : 7,886.08 = 3,162.32 : x
  2. Step 2: Convert to fraction form
    5,714.56/7,886.08 = 3,162.32/x
  3. Step 3: Cross multiply
    5,714.56x = 7,886.08 × 3,162.32
  4. Step 4: Simplify right side
    5,714.56x = 24,938,308.51
  5. Step 5: Solve for x
    x = 24,938,308.51/5,714.56
  6. Step 6: Final answer
    x = 4,363.99

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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.