Home / 5,051.12-6,971.31-4,887.18

Finding the Fourth Proportional to 5,051.12, 6,971.31 and 4,887.18

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Solution

The fourth proportional to 5,051.12, 6,971.31 and 4,887.18 is: 6,745.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,051.12 : 6,971.31 = 4,887.18 : x
  2. Step 2: Convert to fraction form
    5,051.12/6,971.31 = 4,887.18/x
  3. Step 3: Cross multiply
    5,051.12x = 6,971.31 × 4,887.18
  4. Step 4: Simplify right side
    5,051.12x = 34,070,046.81
  5. Step 5: Solve for x
    x = 34,070,046.81/5,051.12
  6. Step 6: Final answer
    x = 6,745.05

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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.