Home / 5,655.36-8,483.40-2,878.88

Finding the Fourth Proportional to 5,655.36, 8,483.40 and 2,878.88

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Solution

The fourth proportional to 5,655.36, 8,483.40 and 2,878.88 is: 4,318.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,655.36 : 8,483.40 = 2,878.88 : x
  2. Step 2: Convert to fraction form
    5,655.36/8,483.40 = 2,878.88/x
  3. Step 3: Cross multiply
    5,655.36x = 8,483.40 × 2,878.88
  4. Step 4: Simplify right side
    5,655.36x = 24,422,690.59
  5. Step 5: Solve for x
    x = 24,422,690.59/5,655.36
  6. Step 6: Final answer
    x = 4,318.50

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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.