Home / 5,678.52-8,518.26-1,782.93

Finding the Fourth Proportional to 5,678.52, 8,518.26 and 1,782.93

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Solution

The fourth proportional to 5,678.52, 8,518.26 and 1,782.93 is: 2,674.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,678.52 : 8,518.26 = 1,782.93 : x
  2. Step 2: Convert to fraction form
    5,678.52/8,518.26 = 1,782.93/x
  3. Step 3: Cross multiply
    5,678.52x = 8,518.26 × 1,782.93
  4. Step 4: Simplify right side
    5,678.52x = 15,187,461.30
  5. Step 5: Solve for x
    x = 15,187,461.30/5,678.52
  6. Step 6: Final answer
    x = 2,674.55

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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.