Home / 7,531.61-11,298.06-1,984.91

Finding the Fourth Proportional to 7,531.61, 11,298.06 and 1,984.91

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Solution

The fourth proportional to 7,531.61, 11,298.06 and 1,984.91 is: 2,977.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,531.61 : 11,298.06 = 1,984.91 : x
  2. Step 2: Convert to fraction form
    7,531.61/11,298.06 = 1,984.91/x
  3. Step 3: Cross multiply
    7,531.61x = 11,298.06 × 1,984.91
  4. Step 4: Simplify right side
    7,531.61x = 22,425,632.27
  5. Step 5: Solve for x
    x = 22,425,632.27/7,531.61
  6. Step 6: Final answer
    x = 2,977.53

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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.