Home / 5,029.02-7,542.81-1,742.40

Finding the Fourth Proportional to 5,029.02, 7,542.81 and 1,742.40

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Solution

The fourth proportional to 5,029.02, 7,542.81 and 1,742.40 is: 2,613.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,029.02 : 7,542.81 = 1,742.40 : x
  2. Step 2: Convert to fraction form
    5,029.02/7,542.81 = 1,742.40/x
  3. Step 3: Cross multiply
    5,029.02x = 7,542.81 × 1,742.40
  4. Step 4: Simplify right side
    5,029.02x = 13,142,592.14
  5. Step 5: Solve for x
    x = 13,142,592.14/5,029.02
  6. Step 6: Final answer
    x = 2,613.35

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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.