Home / 1,402.16-2,102.52-632.24

Finding the Fourth Proportional to 1,402.16, 2,102.52 and 632.24

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Solution

The fourth proportional to 1,402.16, 2,102.52 and 632.24 is: 948.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402.16 : 2,102.52 = 632.24 : x
  2. Step 2: Convert to fraction form
    1,402.16/2,102.52 = 632.24/x
  3. Step 3: Cross multiply
    1,402.16x = 2,102.52 × 632.24
  4. Step 4: Simplify right side
    1,402.16x = 1,329,297.24
  5. Step 5: Solve for x
    x = 1,329,297.24/1,402.16
  6. Step 6: Final answer
    x = 948.04

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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.