Home / 4,901.10-7,351.74-1,438.34

Finding the Fourth Proportional to 4,901.10, 7,351.74 and 1,438.34

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Solution

The fourth proportional to 4,901.10, 7,351.74 and 1,438.34 is: 2,157.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,901.10 : 7,351.74 = 1,438.34 : x
  2. Step 2: Convert to fraction form
    4,901.10/7,351.74 = 1,438.34/x
  3. Step 3: Cross multiply
    4,901.10x = 7,351.74 × 1,438.34
  4. Step 4: Simplify right side
    4,901.10x = 10,574,301.71
  5. Step 5: Solve for x
    x = 10,574,301.71/4,901.10
  6. Step 6: Final answer
    x = 2,157.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.