Home / 2,617.77-3,605.88-2,445.58

Finding the Fourth Proportional to 2,617.77, 3,605.88 and 2,445.58

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Solution

The fourth proportional to 2,617.77, 3,605.88 and 2,445.58 is: 3,368.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617.77 : 3,605.88 = 2,445.58 : x
  2. Step 2: Convert to fraction form
    2,617.77/3,605.88 = 2,445.58/x
  3. Step 3: Cross multiply
    2,617.77x = 3,605.88 × 2,445.58
  4. Step 4: Simplify right side
    2,617.77x = 8,818,468.01
  5. Step 5: Solve for x
    x = 8,818,468.01/2,617.77
  6. Step 6: Final answer
    x = 3,368.69

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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.