Home / 5,919.48-8,870.31-4,681.80

Finding the Fourth Proportional to 5,919.48, 8,870.31 and 4,681.80

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Solution

The fourth proportional to 5,919.48, 8,870.31 and 4,681.80 is: 7,015.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919.48 : 8,870.31 = 4,681.80 : x
  2. Step 2: Convert to fraction form
    5,919.48/8,870.31 = 4,681.80/x
  3. Step 3: Cross multiply
    5,919.48x = 8,870.31 × 4,681.80
  4. Step 4: Simplify right side
    5,919.48x = 41,529,017.36
  5. Step 5: Solve for x
    x = 41,529,017.36/5,919.48
  6. Step 6: Final answer
    x = 7,015.65

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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.