Home / 2,985.02-4,116.11-1,865.54

Finding the Fourth Proportional to 2,985.02, 4,116.11 and 1,865.54

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Solution

The fourth proportional to 2,985.02, 4,116.11 and 1,865.54 is: 2,572.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985.02 : 4,116.11 = 1,865.54 : x
  2. Step 2: Convert to fraction form
    2,985.02/4,116.11 = 1,865.54/x
  3. Step 3: Cross multiply
    2,985.02x = 4,116.11 × 1,865.54
  4. Step 4: Simplify right side
    2,985.02x = 7,678,768.81
  5. Step 5: Solve for x
    x = 7,678,768.81/2,985.02
  6. Step 6: Final answer
    x = 2,572.44

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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.