Home / 2,515.99-3,470.85-1,770.36

Finding the Fourth Proportional to 2,515.99, 3,470.85 and 1,770.36

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Solution

The fourth proportional to 2,515.99, 3,470.85 and 1,770.36 is: 2,442.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,515.99 : 3,470.85 = 1,770.36 : x
  2. Step 2: Convert to fraction form
    2,515.99/3,470.85 = 1,770.36/x
  3. Step 3: Cross multiply
    2,515.99x = 3,470.85 × 1,770.36
  4. Step 4: Simplify right side
    2,515.99x = 6,144,641.08
  5. Step 5: Solve for x
    x = 6,144,641.08/2,515.99
  6. Step 6: Final answer
    x = 2,442.24

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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.