Home / 1,575.03-2,173.60-1,134.80

Finding the Fourth Proportional to 1,575.03, 2,173.60 and 1,134.80

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Solution

The fourth proportional to 1,575.03, 2,173.60 and 1,134.80 is: 1,566.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575.03 : 2,173.60 = 1,134.80 : x
  2. Step 2: Convert to fraction form
    1,575.03/2,173.60 = 1,134.80/x
  3. Step 3: Cross multiply
    1,575.03x = 2,173.60 × 1,134.80
  4. Step 4: Simplify right side
    1,575.03x = 2,466,601.28
  5. Step 5: Solve for x
    x = 2,466,601.28/1,575.03
  6. Step 6: Final answer
    x = 1,566.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.