Home / 5,721.74-8,547.92-3,624.96

Finding the Fourth Proportional to 5,721.74, 8,547.92 and 3,624.96

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Solution

The fourth proportional to 5,721.74, 8,547.92 and 3,624.96 is: 5,415.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,721.74 : 8,547.92 = 3,624.96 : x
  2. Step 2: Convert to fraction form
    5,721.74/8,547.92 = 3,624.96/x
  3. Step 3: Cross multiply
    5,721.74x = 8,547.92 × 3,624.96
  4. Step 4: Simplify right side
    5,721.74x = 30,985,877.15
  5. Step 5: Solve for x
    x = 30,985,877.15/5,721.74
  6. Step 6: Final answer
    x = 5,415.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.