Home / 5,742.40-7,925.38-3,505.58

Finding the Fourth Proportional to 5,742.40, 7,925.38 and 3,505.58

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Solution

The fourth proportional to 5,742.40, 7,925.38 and 3,505.58 is: 4,838.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,742.40 : 7,925.38 = 3,505.58 : x
  2. Step 2: Convert to fraction form
    5,742.40/7,925.38 = 3,505.58/x
  3. Step 3: Cross multiply
    5,742.40x = 7,925.38 × 3,505.58
  4. Step 4: Simplify right side
    5,742.40x = 27,782,996.47
  5. Step 5: Solve for x
    x = 27,782,996.47/5,742.40
  6. Step 6: Final answer
    x = 4,838.22

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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.