Home / 5,371.81-7,404.53-4,235.62

Finding the Fourth Proportional to 5,371.81, 7,404.53 and 4,235.62

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Solution

The fourth proportional to 5,371.81, 7,404.53 and 4,235.62 is: 5,838.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,371.81 : 7,404.53 = 4,235.62 : x
  2. Step 2: Convert to fraction form
    5,371.81/7,404.53 = 4,235.62/x
  3. Step 3: Cross multiply
    5,371.81x = 7,404.53 × 4,235.62
  4. Step 4: Simplify right side
    5,371.81x = 31,362,775.36
  5. Step 5: Solve for x
    x = 31,362,775.36/5,371.81
  6. Step 6: Final answer
    x = 5,838.40

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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.