Home / 4,923.40-7,368.90-4,340.20

Finding the Fourth Proportional to 4,923.40, 7,368.90 and 4,340.20

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Solution

The fourth proportional to 4,923.40, 7,368.90 and 4,340.20 is: 6,496.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,923.40 : 7,368.90 = 4,340.20 : x
  2. Step 2: Convert to fraction form
    4,923.40/7,368.90 = 4,340.20/x
  3. Step 3: Cross multiply
    4,923.40x = 7,368.90 × 4,340.20
  4. Step 4: Simplify right side
    4,923.40x = 31,982,499.78
  5. Step 5: Solve for x
    x = 31,982,499.78/4,923.40
  6. Step 6: Final answer
    x = 6,496.02

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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.