Home / 4,909.04-7,362.53-1,621.38

Finding the Fourth Proportional to 4,909.04, 7,362.53 and 1,621.38

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Solution

The fourth proportional to 4,909.04, 7,362.53 and 1,621.38 is: 2,431.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,909.04 : 7,362.53 = 1,621.38 : x
  2. Step 2: Convert to fraction form
    4,909.04/7,362.53 = 1,621.38/x
  3. Step 3: Cross multiply
    4,909.04x = 7,362.53 × 1,621.38
  4. Step 4: Simplify right side
    4,909.04x = 11,937,484.47
  5. Step 5: Solve for x
    x = 11,937,484.47/4,909.04
  6. Step 6: Final answer
    x = 2,431.74

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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.