Home / 1,635.02-2,452.38-802.34

Finding the Fourth Proportional to 1,635.02, 2,452.38 and 802.34

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Solution

The fourth proportional to 1,635.02, 2,452.38 and 802.34 is: 1,203.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635.02 : 2,452.38 = 802.34 : x
  2. Step 2: Convert to fraction form
    1,635.02/2,452.38 = 802.34/x
  3. Step 3: Cross multiply
    1,635.02x = 2,452.38 × 802.34
  4. Step 4: Simplify right side
    1,635.02x = 1,967,642.57
  5. Step 5: Solve for x
    x = 1,967,642.57/1,635.02
  6. Step 6: Final answer
    x = 1,203.44

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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.