Home / 4,715.02-7,074.60-1,943.80

Finding the Fourth Proportional to 4,715.02, 7,074.60 and 1,943.80

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Solution

The fourth proportional to 4,715.02, 7,074.60 and 1,943.80 is: 2,916.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,715.02 : 7,074.60 = 1,943.80 : x
  2. Step 2: Convert to fraction form
    4,715.02/7,074.60 = 1,943.80/x
  3. Step 3: Cross multiply
    4,715.02x = 7,074.60 × 1,943.80
  4. Step 4: Simplify right side
    4,715.02x = 13,751,607.48
  5. Step 5: Solve for x
    x = 13,751,607.48/4,715.02
  6. Step 6: Final answer
    x = 2,916.55

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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.