Home / 2,398.10-3,309.32-1,350.14

Finding the Fourth Proportional to 2,398.10, 3,309.32 and 1,350.14

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Solution

The fourth proportional to 2,398.10, 3,309.32 and 1,350.14 is: 1,863.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,398.10 : 3,309.32 = 1,350.14 : x
  2. Step 2: Convert to fraction form
    2,398.10/3,309.32 = 1,350.14/x
  3. Step 3: Cross multiply
    2,398.10x = 3,309.32 × 1,350.14
  4. Step 4: Simplify right side
    2,398.10x = 4,468,038.55
  5. Step 5: Solve for x
    x = 4,468,038.55/2,398.10
  6. Step 6: Final answer
    x = 1,863.16

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1.5x scale

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.