Home / 5,047.02-6,964.98-2,808.99

Finding the Fourth Proportional to 5,047.02, 6,964.98 and 2,808.99

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Solution

The fourth proportional to 5,047.02, 6,964.98 and 2,808.99 is: 3,876.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,047.02 : 6,964.98 = 2,808.99 : x
  2. Step 2: Convert to fraction form
    5,047.02/6,964.98 = 2,808.99/x
  3. Step 3: Cross multiply
    5,047.02x = 6,964.98 × 2,808.99
  4. Step 4: Simplify right side
    5,047.02x = 19,564,559.17
  5. Step 5: Solve for x
    x = 19,564,559.17/5,047.02
  6. Step 6: Final answer
    x = 3,876.46

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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.