Home / 5,913.72-8,870.44-1,531.12

Finding the Fourth Proportional to 5,913.72, 8,870.44 and 1,531.12

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Solution

The fourth proportional to 5,913.72, 8,870.44 and 1,531.12 is: 2,296.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913.72 : 8,870.44 = 1,531.12 : x
  2. Step 2: Convert to fraction form
    5,913.72/8,870.44 = 1,531.12/x
  3. Step 3: Cross multiply
    5,913.72x = 8,870.44 × 1,531.12
  4. Step 4: Simplify right side
    5,913.72x = 13,581,708.09
  5. Step 5: Solve for x
    x = 13,581,708.09/5,913.72
  6. Step 6: Final answer
    x = 2,296.64

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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.