Home / 4,614.15-6,368.40-2,890.24

Finding the Fourth Proportional to 4,614.15, 6,368.40 and 2,890.24

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Solution

The fourth proportional to 4,614.15, 6,368.40 and 2,890.24 is: 3,989.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,614.15 : 6,368.40 = 2,890.24 : x
  2. Step 2: Convert to fraction form
    4,614.15/6,368.40 = 2,890.24/x
  3. Step 3: Cross multiply
    4,614.15x = 6,368.40 × 2,890.24
  4. Step 4: Simplify right side
    4,614.15x = 18,406,212.38
  5. Step 5: Solve for x
    x = 18,406,212.38/4,614.15
  6. Step 6: Final answer
    x = 3,989.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.