Home / 5,599.18-8,398.61-1,439.02

Finding the Fourth Proportional to 5,599.18, 8,398.61 and 1,439.02

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Solution

The fourth proportional to 5,599.18, 8,398.61 and 1,439.02 is: 2,158.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,599.18 : 8,398.61 = 1,439.02 : x
  2. Step 2: Convert to fraction form
    5,599.18/8,398.61 = 1,439.02/x
  3. Step 3: Cross multiply
    5,599.18x = 8,398.61 × 1,439.02
  4. Step 4: Simplify right side
    5,599.18x = 12,085,767.76
  5. Step 5: Solve for x
    x = 12,085,767.76/5,599.18
  6. Step 6: Final answer
    x = 2,158.49

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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.