Home / 3,903.33-5,386.68-2,332.32

Finding the Fourth Proportional to 3,903.33, 5,386.68 and 2,332.32

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Solution

The fourth proportional to 3,903.33, 5,386.68 and 2,332.32 is: 3,218.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903.33 : 5,386.68 = 2,332.32 : x
  2. Step 2: Convert to fraction form
    3,903.33/5,386.68 = 2,332.32/x
  3. Step 3: Cross multiply
    3,903.33x = 5,386.68 × 2,332.32
  4. Step 4: Simplify right side
    3,903.33x = 12,563,461.50
  5. Step 5: Solve for x
    x = 12,563,461.50/3,903.33
  6. Step 6: Final answer
    x = 3,218.65

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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.