Home / 4,973.54-6,862.40-2,876.45

Finding the Fourth Proportional to 4,973.54, 6,862.40 and 2,876.45

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Solution

The fourth proportional to 4,973.54, 6,862.40 and 2,876.45 is: 3,968.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,973.54 : 6,862.40 = 2,876.45 : x
  2. Step 2: Convert to fraction form
    4,973.54/6,862.40 = 2,876.45/x
  3. Step 3: Cross multiply
    4,973.54x = 6,862.40 × 2,876.45
  4. Step 4: Simplify right side
    4,973.54x = 19,739,301.79
  5. Step 5: Solve for x
    x = 19,739,301.79/4,973.54
  6. Step 6: Final answer
    x = 3,968.87

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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.