Home / 4,975.30-7,448.55-4,456.90

Finding the Fourth Proportional to 4,975.30, 7,448.55 and 4,456.90

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Solution

The fourth proportional to 4,975.30, 7,448.55 and 4,456.90 is: 6,672.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,975.30 : 7,448.55 = 4,456.90 : x
  2. Step 2: Convert to fraction form
    4,975.30/7,448.55 = 4,456.90/x
  3. Step 3: Cross multiply
    4,975.30x = 7,448.55 × 4,456.90
  4. Step 4: Simplify right side
    4,975.30x = 33,197,442.50
  5. Step 5: Solve for x
    x = 33,197,442.50/4,975.30
  6. Step 6: Final answer
    x = 6,672.45

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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.