Home / 4,059.60-5,602.30-2,291.20

Finding the Fourth Proportional to 4,059.60, 5,602.30 and 2,291.20

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Solution

The fourth proportional to 4,059.60, 5,602.30 and 2,291.20 is: 3,161.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,059.60 : 5,602.30 = 2,291.20 : x
  2. Step 2: Convert to fraction form
    4,059.60/5,602.30 = 2,291.20/x
  3. Step 3: Cross multiply
    4,059.60x = 5,602.30 × 2,291.20
  4. Step 4: Simplify right side
    4,059.60x = 12,835,989.76
  5. Step 5: Solve for x
    x = 12,835,989.76/4,059.60
  6. Step 6: Final answer
    x = 3,161.89

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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.