Home / 3,117.33-4,301.96-1,859.11

Finding the Fourth Proportional to 3,117.33, 4,301.96 and 1,859.11

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Solution

The fourth proportional to 3,117.33, 4,301.96 and 1,859.11 is: 2,565.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.33 : 4,301.96 = 1,859.11 : x
  2. Step 2: Convert to fraction form
    3,117.33/4,301.96 = 1,859.11/x
  3. Step 3: Cross multiply
    3,117.33x = 4,301.96 × 1,859.11
  4. Step 4: Simplify right side
    3,117.33x = 7,997,807.56
  5. Step 5: Solve for x
    x = 7,997,807.56/3,117.33
  6. Step 6: Final answer
    x = 2,565.60

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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.