Home / 4,030.08-5,561.76-2,261.92

Finding the Fourth Proportional to 4,030.08, 5,561.76 and 2,261.92

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Solution

The fourth proportional to 4,030.08, 5,561.76 and 2,261.92 is: 3,121.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,030.08 : 5,561.76 = 2,261.92 : x
  2. Step 2: Convert to fraction form
    4,030.08/5,561.76 = 2,261.92/x
  3. Step 3: Cross multiply
    4,030.08x = 5,561.76 × 2,261.92
  4. Step 4: Simplify right side
    4,030.08x = 12,580,256.18
  5. Step 5: Solve for x
    x = 12,580,256.18/4,030.08
  6. Step 6: Final answer
    x = 3,121.59

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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.