Home / 4,815.36-7,239.51-4,454.64

Finding the Fourth Proportional to 4,815.36, 7,239.51 and 4,454.64

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Solution

The fourth proportional to 4,815.36, 7,239.51 and 4,454.64 is: 6,697.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.36 : 7,239.51 = 4,454.64 : x
  2. Step 2: Convert to fraction form
    4,815.36/7,239.51 = 4,454.64/x
  3. Step 3: Cross multiply
    4,815.36x = 7,239.51 × 4,454.64
  4. Step 4: Simplify right side
    4,815.36x = 32,249,410.83
  5. Step 5: Solve for x
    x = 32,249,410.83/4,815.36
  6. Step 6: Final answer
    x = 6,697.20

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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.