Home / 2,910.02-4,015.76-1,651.08

Finding the Fourth Proportional to 2,910.02, 4,015.76 and 1,651.08

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Solution

The fourth proportional to 2,910.02, 4,015.76 and 1,651.08 is: 2,278.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.02 : 4,015.76 = 1,651.08 : x
  2. Step 2: Convert to fraction form
    2,910.02/4,015.76 = 1,651.08/x
  3. Step 3: Cross multiply
    2,910.02x = 4,015.76 × 1,651.08
  4. Step 4: Simplify right side
    2,910.02x = 6,630,341.02
  5. Step 5: Solve for x
    x = 6,630,341.02/2,910.02
  6. Step 6: Final answer
    x = 2,278.45

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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.