Home / 5,124.23-7,686.79-1,567.15

Finding the Fourth Proportional to 5,124.23, 7,686.79 and 1,567.15

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Solution

The fourth proportional to 5,124.23, 7,686.79 and 1,567.15 is: 2,350.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,124.23 : 7,686.79 = 1,567.15 : x
  2. Step 2: Convert to fraction form
    5,124.23/7,686.79 = 1,567.15/x
  3. Step 3: Cross multiply
    5,124.23x = 7,686.79 × 1,567.15
  4. Step 4: Simplify right side
    5,124.23x = 12,046,329.81
  5. Step 5: Solve for x
    x = 12,046,329.81/5,124.23
  6. Step 6: Final answer
    x = 2,350.86

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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.