Home / 1,597.85-2,205.18-934.66

Finding the Fourth Proportional to 1,597.85, 2,205.18 and 934.66

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Solution

The fourth proportional to 1,597.85, 2,205.18 and 934.66 is: 1,289.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,597.85 : 2,205.18 = 934.66 : x
  2. Step 2: Convert to fraction form
    1,597.85/2,205.18 = 934.66/x
  3. Step 3: Cross multiply
    1,597.85x = 2,205.18 × 934.66
  4. Step 4: Simplify right side
    1,597.85x = 2,061,077.84
  5. Step 5: Solve for x
    x = 2,061,077.84/1,597.85
  6. Step 6: Final answer
    x = 1,289.91

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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.