Home / 5,519.04-8,278.40-1,359.02

Finding the Fourth Proportional to 5,519.04, 8,278.40 and 1,359.02

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Solution

The fourth proportional to 5,519.04, 8,278.40 and 1,359.02 is: 2,038.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,519.04 : 8,278.40 = 1,359.02 : x
  2. Step 2: Convert to fraction form
    5,519.04/8,278.40 = 1,359.02/x
  3. Step 3: Cross multiply
    5,519.04x = 8,278.40 × 1,359.02
  4. Step 4: Simplify right side
    5,519.04x = 11,250,511.17
  5. Step 5: Solve for x
    x = 11,250,511.17/5,519.04
  6. Step 6: Final answer
    x = 2,038.49

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Half scale
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Double scale
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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.