Home / 2,089.02-3,133.40-702.48

Finding the Fourth Proportional to 2,089.02, 3,133.40 and 702.48

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Solution

The fourth proportional to 2,089.02, 3,133.40 and 702.48 is: 1,053.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,089.02 : 3,133.40 = 702.48 : x
  2. Step 2: Convert to fraction form
    2,089.02/3,133.40 = 702.48/x
  3. Step 3: Cross multiply
    2,089.02x = 3,133.40 × 702.48
  4. Step 4: Simplify right side
    2,089.02x = 2,201,147.32
  5. Step 5: Solve for x
    x = 2,201,147.32/2,089.02
  6. Step 6: Final answer
    x = 1,053.67

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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.