Home / 4,933.40-7,389.30-4,386.20

Finding the Fourth Proportional to 4,933.40, 7,389.30 and 4,386.20

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Solution

The fourth proportional to 4,933.40, 7,389.30 and 4,386.20 is: 6,569.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,933.40 : 7,389.30 = 4,386.20 : x
  2. Step 2: Convert to fraction form
    4,933.40/7,389.30 = 4,386.20/x
  3. Step 3: Cross multiply
    4,933.40x = 7,389.30 × 4,386.20
  4. Step 4: Simplify right side
    4,933.40x = 32,410,947.66
  5. Step 5: Solve for x
    x = 32,410,947.66/4,933.40
  6. Step 6: Final answer
    x = 6,569.70

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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.