Home / 5,020.59-7,531.76-1,688.52

Finding the Fourth Proportional to 5,020.59, 7,531.76 and 1,688.52

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Solution

The fourth proportional to 5,020.59, 7,531.76 and 1,688.52 is: 2,533.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,020.59 : 7,531.76 = 1,688.52 : x
  2. Step 2: Convert to fraction form
    5,020.59/7,531.76 = 1,688.52/x
  3. Step 3: Cross multiply
    5,020.59x = 7,531.76 × 1,688.52
  4. Step 4: Simplify right side
    5,020.59x = 12,717,518.95
  5. Step 5: Solve for x
    x = 12,717,518.95/5,020.59
  6. Step 6: Final answer
    x = 2,533.07

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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.