Home / 2,403.16-3,316.26-1,355.32

Finding the Fourth Proportional to 2,403.16, 3,316.26 and 1,355.32

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Solution

The fourth proportional to 2,403.16, 3,316.26 and 1,355.32 is: 1,870.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,403.16 : 3,316.26 = 1,355.32 : x
  2. Step 2: Convert to fraction form
    2,403.16/3,316.26 = 1,355.32/x
  3. Step 3: Cross multiply
    2,403.16x = 3,316.26 × 1,355.32
  4. Step 4: Simplify right side
    2,403.16x = 4,494,593.50
  5. Step 5: Solve for x
    x = 4,494,593.50/2,403.16
  6. Step 6: Final answer
    x = 1,870.28

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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.