Home / 5,921.10-8,867.80-4,680.18

Finding the Fourth Proportional to 5,921.10, 8,867.80 and 4,680.18

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Solution

The fourth proportional to 5,921.10, 8,867.80 and 4,680.18 is: 7,009.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.10 : 8,867.80 = 4,680.18 : x
  2. Step 2: Convert to fraction form
    5,921.10/8,867.80 = 4,680.18/x
  3. Step 3: Cross multiply
    5,921.10x = 8,867.80 × 4,680.18
  4. Step 4: Simplify right side
    5,921.10x = 41,502,900.20
  5. Step 5: Solve for x
    x = 41,502,900.20/5,921.10
  6. Step 6: Final answer
    x = 7,009.32

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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.