Home / 2,403.83-3,312.15-1,616.51

Finding the Fourth Proportional to 2,403.83, 3,312.15 and 1,616.51

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Solution

The fourth proportional to 2,403.83, 3,312.15 and 1,616.51 is: 2,227.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,403.83 : 3,312.15 = 1,616.51 : x
  2. Step 2: Convert to fraction form
    2,403.83/3,312.15 = 1,616.51/x
  3. Step 3: Cross multiply
    2,403.83x = 3,312.15 × 1,616.51
  4. Step 4: Simplify right side
    2,403.83x = 5,354,125.81
  5. Step 5: Solve for x
    x = 5,354,125.81/2,403.83
  6. Step 6: Final answer
    x = 2,227.33

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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.