Home / 5,931.49-8,890.28-2,419.30

Finding the Fourth Proportional to 5,931.49, 8,890.28 and 2,419.30

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Solution

The fourth proportional to 5,931.49, 8,890.28 and 2,419.30 is: 3,626.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,931.49 : 8,890.28 = 2,419.30 : x
  2. Step 2: Convert to fraction form
    5,931.49/8,890.28 = 2,419.30/x
  3. Step 3: Cross multiply
    5,931.49x = 8,890.28 × 2,419.30
  4. Step 4: Simplify right side
    5,931.49x = 21,508,254.40
  5. Step 5: Solve for x
    x = 21,508,254.40/5,931.49
  6. Step 6: Final answer
    x = 3,626.11

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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.