Home / 5,451.02-7,526.63-4,190.08

Finding the Fourth Proportional to 5,451.02, 7,526.63 and 4,190.08

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Solution

The fourth proportional to 5,451.02, 7,526.63 and 4,190.08 is: 5,785.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451.02 : 7,526.63 = 4,190.08 : x
  2. Step 2: Convert to fraction form
    5,451.02/7,526.63 = 4,190.08/x
  3. Step 3: Cross multiply
    5,451.02x = 7,526.63 × 4,190.08
  4. Step 4: Simplify right side
    5,451.02x = 31,537,181.83
  5. Step 5: Solve for x
    x = 31,537,181.83/5,451.02
  6. Step 6: Final answer
    x = 5,785.56

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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.