Home / 3,345.67-4,616.37-1,948.15

Finding the Fourth Proportional to 3,345.67, 4,616.37 and 1,948.15

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Solution

The fourth proportional to 3,345.67, 4,616.37 and 1,948.15 is: 2,688.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.67 : 4,616.37 = 1,948.15 : x
  2. Step 2: Convert to fraction form
    3,345.67/4,616.37 = 1,948.15/x
  3. Step 3: Cross multiply
    3,345.67x = 4,616.37 × 1,948.15
  4. Step 4: Simplify right side
    3,345.67x = 8,993,381.22
  5. Step 5: Solve for x
    x = 8,993,381.22/3,345.67
  6. Step 6: Final answer
    x = 2,688.07

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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.