Home / 3,155.60-4,733.80-1,075.04

Finding the Fourth Proportional to 3,155.60, 4,733.80 and 1,075.04

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Solution

The fourth proportional to 3,155.60, 4,733.80 and 1,075.04 is: 1,612.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.60 : 4,733.80 = 1,075.04 : x
  2. Step 2: Convert to fraction form
    3,155.60/4,733.80 = 1,075.04/x
  3. Step 3: Cross multiply
    3,155.60x = 4,733.80 × 1,075.04
  4. Step 4: Simplify right side
    3,155.60x = 5,089,021.79
  5. Step 5: Solve for x
    x = 5,089,021.79/3,155.60
  6. Step 6: Final answer
    x = 1,612.70

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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.