Home / 4,518.02-6,775.34-1,555.63

Finding the Fourth Proportional to 4,518.02, 6,775.34 and 1,555.63

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Solution

The fourth proportional to 4,518.02, 6,775.34 and 1,555.63 is: 2,332.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,518.02 : 6,775.34 = 1,555.63 : x
  2. Step 2: Convert to fraction form
    4,518.02/6,775.34 = 1,555.63/x
  3. Step 3: Cross multiply
    4,518.02x = 6,775.34 × 1,555.63
  4. Step 4: Simplify right side
    4,518.02x = 10,539,922.16
  5. Step 5: Solve for x
    x = 10,539,922.16/4,518.02
  6. Step 6: Final answer
    x = 2,332.86

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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.